Home / 71,895,249,002.35-107,842,873,503.52-30,002,180,125.15

Finding the Fourth Proportional to 71,895,249,002.35, 107,842,873,503.52 and 30,002,180,125.15

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Solution

The fourth proportional to 71,895,249,002.35, 107,842,873,503.52 and 30,002,180,125.15 is: 45,003,270,187.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,895,249,002.35 : 107,842,873,503.52 = 30,002,180,125.15 : x
  2. Step 2: Convert to fraction form
    71,895,249,002.35/107,842,873,503.52 = 30,002,180,125.15/x
  3. Step 3: Cross multiply
    71,895,249,002.35x = 107,842,873,503.52 × 30,002,180,125.15
  4. Step 4: Simplify right side
    71,895,249,002.35x = 3,235,521,316,066,373,402,624
  5. Step 5: Solve for x
    x = 3,235,521,316,066,373,402,624/71,895,249,002.35
  6. Step 6: Final answer
    x = 45,003,270,187.72

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.