Home / 128,866,000.46-193,317,158.82-41,398,188.12

Finding the Fourth Proportional to 128,866,000.46, 193,317,158.82 and 41,398,188.12

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Solution

The fourth proportional to 128,866,000.46, 193,317,158.82 and 41,398,188.12 is: 62,103,115.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,866,000.46 : 193,317,158.82 = 41,398,188.12 : x
  2. Step 2: Convert to fraction form
    128,866,000.46/193,317,158.82 = 41,398,188.12/x
  3. Step 3: Cross multiply
    128,866,000.46x = 193,317,158.82 × 41,398,188.12
  4. Step 4: Simplify right side
    128,866,000.46x = 8,002,980,107,654,276
  5. Step 5: Solve for x
    x = 8,002,980,107,654,276/128,866,000.46
  6. Step 6: Final answer
    x = 62,103,115.48

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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.