Home / 86,761,432.80-119,730,767.22-49,592,507.58

Finding the Fourth Proportional to 86,761,432.80, 119,730,767.22 and 49,592,507.58

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Solution

The fourth proportional to 86,761,432.80, 119,730,767.22 and 49,592,507.58 is: 68,437,654.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,761,432.80 : 119,730,767.22 = 49,592,507.58 : x
  2. Step 2: Convert to fraction form
    86,761,432.80/119,730,767.22 = 49,592,507.58/x
  3. Step 3: Cross multiply
    86,761,432.80x = 119,730,767.22 × 49,592,507.58
  4. Step 4: Simplify right side
    86,761,432.80x = 5,937,748,980,917,065
  5. Step 5: Solve for x
    x = 5,937,748,980,917,065/86,761,432.80
  6. Step 6: Final answer
    x = 68,437,654.72

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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.