Home / 115,538,946.80-159,460,859.42-73,156,445.61

Finding the Fourth Proportional to 115,538,946.80, 159,460,859.42 and 73,156,445.61

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Solution

The fourth proportional to 115,538,946.80, 159,460,859.42 and 73,156,445.61 is: 100,966,730.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,538,946.80 : 159,460,859.42 = 73,156,445.61 : x
  2. Step 2: Convert to fraction form
    115,538,946.80/159,460,859.42 = 73,156,445.61/x
  3. Step 3: Cross multiply
    115,538,946.80x = 159,460,859.42 × 73,156,445.61
  4. Step 4: Simplify right side
    115,538,946.80x = 11,665,589,688,717,304
  5. Step 5: Solve for x
    x = 11,665,589,688,717,304/115,538,946.80
  6. Step 6: Final answer
    x = 100,966,730.37

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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.