Home / 187,144,218.90-280,735,087.95-64,306,358.10

Finding the Fourth Proportional to 187,144,218.90, 280,735,087.95 and 64,306,358.10

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Solution

The fourth proportional to 187,144,218.90, 280,735,087.95 and 64,306,358.10 is: 96,465,983.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,144,218.90 : 280,735,087.95 = 64,306,358.10 : x
  2. Step 2: Convert to fraction form
    187,144,218.90/280,735,087.95 = 64,306,358.10/x
  3. Step 3: Cross multiply
    187,144,218.90x = 280,735,087.95 × 64,306,358.10
  4. Step 4: Simplify right side
    187,144,218.90x = 18,053,051,096,947,696
  5. Step 5: Solve for x
    x = 18,053,051,096,947,696/187,144,218.90
  6. Step 6: Final answer
    x = 96,465,983.31

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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.