Home / 47,930,164,986.90-71,895,247,480.35-20,001,452,402.10

Finding the Fourth Proportional to 47,930,164,986.90, 71,895,247,480.35 and 20,001,452,402.10

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Solution

The fourth proportional to 47,930,164,986.90, 71,895,247,480.35 and 20,001,452,402.10 is: 30,002,178,603.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,930,164,986.90 : 71,895,247,480.35 = 20,001,452,402.10 : x
  2. Step 2: Convert to fraction form
    47,930,164,986.90/71,895,247,480.35 = 20,001,452,402.10/x
  3. Step 3: Cross multiply
    47,930,164,986.90x = 71,895,247,480.35 × 20,001,452,402.10
  4. Step 4: Simplify right side
    47,930,164,986.90x = 1,438,009,370,415,420,407,808
  5. Step 5: Solve for x
    x = 1,438,009,370,415,420,407,808/47,930,164,986.90
  6. Step 6: Final answer
    x = 30,002,178,603.15

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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.