Home / 115,538,948.80-159,460,862.18-73,156,447.61

Finding the Fourth Proportional to 115,538,948.80, 159,460,862.18 and 73,156,447.61

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Solution

The fourth proportional to 115,538,948.80, 159,460,862.18 and 73,156,447.61 is: 100,966,733.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,538,948.80 : 159,460,862.18 = 73,156,447.61 : x
  2. Step 2: Convert to fraction form
    115,538,948.80/159,460,862.18 = 73,156,447.61/x
  3. Step 3: Cross multiply
    115,538,948.80x = 159,460,862.18 × 73,156,447.61
  4. Step 4: Simplify right side
    115,538,948.80x = 11,665,590,209,916,600
  5. Step 5: Solve for x
    x = 11,665,590,209,916,600/115,538,948.80
  6. Step 6: Final answer
    x = 100,966,733.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.