Home / 124,182,175.56-171,380,459.72-71,984,686.92

Finding the Fourth Proportional to 124,182,175.56, 171,380,459.72 and 71,984,686.92

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Solution

The fourth proportional to 124,182,175.56, 171,380,459.72 and 71,984,686.92 is: 99,344,118.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,182,175.56 : 171,380,459.72 = 71,984,686.92 : x
  2. Step 2: Convert to fraction form
    124,182,175.56/171,380,459.72 = 71,984,686.92/x
  3. Step 3: Cross multiply
    124,182,175.56x = 171,380,459.72 × 71,984,686.92
  4. Step 4: Simplify right side
    124,182,175.56x = 12,336,768,737,149,872
  5. Step 5: Solve for x
    x = 12,336,768,737,149,872/124,182,175.56
  6. Step 6: Final answer
    x = 99,344,118.28

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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.