Home / 47,930,149,958.40-71,895,224,937.60-20,001,437,373.60

Finding the Fourth Proportional to 47,930,149,958.40, 71,895,224,937.60 and 20,001,437,373.60

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Solution

The fourth proportional to 47,930,149,958.40, 71,895,224,937.60 and 20,001,437,373.60 is: 30,002,156,060.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,930,149,958.40 : 71,895,224,937.60 = 20,001,437,373.60 : x
  2. Step 2: Convert to fraction form
    47,930,149,958.40/71,895,224,937.60 = 20,001,437,373.60/x
  3. Step 3: Cross multiply
    47,930,149,958.40x = 71,895,224,937.60 × 20,001,437,373.60
  4. Step 4: Simplify right side
    47,930,149,958.40x = 1,438,007,839,050,291,478,528
  5. Step 5: Solve for x
    x = 1,438,007,839,050,291,478,528/47,930,149,958.40
  6. Step 6: Final answer
    x = 30,002,156,060.40

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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.