Home / 83,053,141.90-124,567,903.05-28,468,246.30

Finding the Fourth Proportional to 83,053,141.90, 124,567,903.05 and 28,468,246.30

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Solution

The fourth proportional to 83,053,141.90, 124,567,903.05 and 28,468,246.30 is: 42,698,321.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,053,141.90 : 124,567,903.05 = 28,468,246.30 : x
  2. Step 2: Convert to fraction form
    83,053,141.90/124,567,903.05 = 28,468,246.30/x
  3. Step 3: Cross multiply
    83,053,141.90x = 124,567,903.05 × 28,468,246.30
  4. Step 4: Simplify right side
    83,053,141.90x = 3,546,229,745,101,921
  5. Step 5: Solve for x
    x = 3,546,229,745,101,921/83,053,141.90
  6. Step 6: Final answer
    x = 42,698,321.39

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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.