Home / 91,593,199.20-137,411,022.48-30,180,159.12

Finding the Fourth Proportional to 91,593,199.20, 137,411,022.48 and 30,180,159.12

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Solution

The fourth proportional to 91,593,199.20, 137,411,022.48 and 30,180,159.12 is: 45,277,231.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,593,199.20 : 137,411,022.48 = 30,180,159.12 : x
  2. Step 2: Convert to fraction form
    91,593,199.20/137,411,022.48 = 30,180,159.12/x
  3. Step 3: Cross multiply
    91,593,199.20x = 137,411,022.48 × 30,180,159.12
  4. Step 4: Simplify right side
    91,593,199.20x = 4,147,086,523,288,297
  5. Step 5: Solve for x
    x = 4,147,086,523,288,297/91,593,199.20
  6. Step 6: Final answer
    x = 45,277,231.93

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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.