Home / 105,487,630.65-158,231,445.98-71,050,253.85

Finding the Fourth Proportional to 105,487,630.65, 158,231,445.98 and 71,050,253.85

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Solution

The fourth proportional to 105,487,630.65, 158,231,445.98 and 71,050,253.85 is: 106,575,380.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,487,630.65 : 158,231,445.98 = 71,050,253.85 : x
  2. Step 2: Convert to fraction form
    105,487,630.65/158,231,445.98 = 71,050,253.85/x
  3. Step 3: Cross multiply
    105,487,630.65x = 158,231,445.98 × 71,050,253.85
  4. Step 4: Simplify right side
    105,487,630.65x = 11,242,384,403,576,310
  5. Step 5: Solve for x
    x = 11,242,384,403,576,310/105,487,630.65
  6. Step 6: Final answer
    x = 106,575,380.78

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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.