Home / 100,212,523.04-137,960,387.06-89,881,310.00

Finding the Fourth Proportional to 100,212,523.04, 137,960,387.06 and 89,881,310.00

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Solution

The fourth proportional to 100,212,523.04, 137,960,387.06 and 89,881,310.00 is: 123,737,632.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,212,523.04 : 137,960,387.06 = 89,881,310.00 : x
  2. Step 2: Convert to fraction form
    100,212,523.04/137,960,387.06 = 89,881,310.00/x
  3. Step 3: Cross multiply
    100,212,523.04x = 137,960,387.06 × 89,881,310.00
  4. Step 4: Simplify right side
    100,212,523.04x = 12,400,060,316,955,344
  5. Step 5: Solve for x
    x = 12,400,060,316,955,344/100,212,523.04
  6. Step 6: Final answer
    x = 123,737,632.19

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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.