Home / 103,311,185.97-142,569,439.23-56,901,439.89

Finding the Fourth Proportional to 103,311,185.97, 142,569,439.23 and 56,901,439.89

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Solution

The fourth proportional to 103,311,185.97, 142,569,439.23 and 56,901,439.89 is: 78,523,988.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,311,185.97 : 142,569,439.23 = 56,901,439.89 : x
  2. Step 2: Convert to fraction form
    103,311,185.97/142,569,439.23 = 56,901,439.89/x
  3. Step 3: Cross multiply
    103,311,185.97x = 142,569,439.23 × 56,901,439.89
  4. Step 4: Simplify right side
    103,311,185.97x = 8,112,406,375,784,005
  5. Step 5: Solve for x
    x = 8,112,406,375,784,005/103,311,185.97
  6. Step 6: Final answer
    x = 78,523,988.47

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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.