Home / 118,098,045.90-177,147,068.85-85,597,476.30

Finding the Fourth Proportional to 118,098,045.90, 177,147,068.85 and 85,597,476.30

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Solution

The fourth proportional to 118,098,045.90, 177,147,068.85 and 85,597,476.30 is: 128,396,214.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,098,045.90 : 177,147,068.85 = 85,597,476.30 : x
  2. Step 2: Convert to fraction form
    118,098,045.90/177,147,068.85 = 85,597,476.30/x
  3. Step 3: Cross multiply
    118,098,045.90x = 177,147,068.85 × 85,597,476.30
  4. Step 4: Simplify right side
    118,098,045.90x = 15,163,342,027,502,342
  5. Step 5: Solve for x
    x = 15,163,342,027,502,342/118,098,045.90
  6. Step 6: Final answer
    x = 128,396,214.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.