Home / 123,900,996.88-170,976,356.04-68,895,672.40

Finding the Fourth Proportional to 123,900,996.88, 170,976,356.04 and 68,895,672.40

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Solution

The fourth proportional to 123,900,996.88, 170,976,356.04 and 68,895,672.40 is: 95,072,124.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,900,996.88 : 170,976,356.04 = 68,895,672.40 : x
  2. Step 2: Convert to fraction form
    123,900,996.88/170,976,356.04 = 68,895,672.40/x
  3. Step 3: Cross multiply
    123,900,996.88x = 170,976,356.04 × 68,895,672.40
  4. Step 4: Simplify right side
    123,900,996.88x = 11,779,531,013,877,602
  5. Step 5: Solve for x
    x = 11,779,531,013,877,602/123,900,996.88
  6. Step 6: Final answer
    x = 95,072,124.60

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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.