Home / 49,721,873,035.52-74,581,732,701.78-13,865,673,371.66

Finding the Fourth Proportional to 49,721,873,035.52, 74,581,732,701.78 and 13,865,673,371.66

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Solution

The fourth proportional to 49,721,873,035.52, 74,581,732,701.78 and 13,865,673,371.66 is: 20,798,209,761.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,721,873,035.52 : 74,581,732,701.78 = 13,865,673,371.66 : x
  2. Step 2: Convert to fraction form
    49,721,873,035.52/74,581,732,701.78 = 13,865,673,371.66/x
  3. Step 3: Cross multiply
    49,721,873,035.52x = 74,581,732,701.78 × 13,865,673,371.66
  4. Step 4: Simplify right side
    49,721,873,035.52x = 1,034,125,945,135,334,686,720
  5. Step 5: Solve for x
    x = 1,034,125,945,135,334,686,720/49,721,873,035.52
  6. Step 6: Final answer
    x = 20,798,209,761.66

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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.