Home / 85,822,207.28-118,433,755.28-63,893,770.64

Finding the Fourth Proportional to 85,822,207.28, 118,433,755.28 and 63,893,770.64

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Solution

The fourth proportional to 85,822,207.28, 118,433,755.28 and 63,893,770.64 is: 88,172,740.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,822,207.28 : 118,433,755.28 = 63,893,770.64 : x
  2. Step 2: Convert to fraction form
    85,822,207.28/118,433,755.28 = 63,893,770.64/x
  3. Step 3: Cross multiply
    85,822,207.28x = 118,433,755.28 × 63,893,770.64
  4. Step 4: Simplify right side
    85,822,207.28x = 7,567,179,195,894,209
  5. Step 5: Solve for x
    x = 7,567,179,195,894,209/85,822,207.28
  6. Step 6: Final answer
    x = 88,172,740.32

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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.