Home / 82,609,853.10-123,914,779.65-39,563,132.10

Finding the Fourth Proportional to 82,609,853.10, 123,914,779.65 and 39,563,132.10

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Solution

The fourth proportional to 82,609,853.10, 123,914,779.65 and 39,563,132.10 is: 59,344,698.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,609,853.10 : 123,914,779.65 = 39,563,132.10 : x
  2. Step 2: Convert to fraction form
    82,609,853.10/123,914,779.65 = 39,563,132.10/x
  3. Step 3: Cross multiply
    82,609,853.10x = 123,914,779.65 × 39,563,132.10
  4. Step 4: Simplify right side
    82,609,853.10x = 4,902,456,796,435,342
  5. Step 5: Solve for x
    x = 4,902,456,796,435,342/82,609,853.10
  6. Step 6: Final answer
    x = 59,344,698.15

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Double scale
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Similar ratio
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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.