Home / 84,200,856.70-126,301,285.05-47,921,151.10

Finding the Fourth Proportional to 84,200,856.70, 126,301,285.05 and 47,921,151.10

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Solution

The fourth proportional to 84,200,856.70, 126,301,285.05 and 47,921,151.10 is: 71,881,726.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,200,856.70 : 126,301,285.05 = 47,921,151.10 : x
  2. Step 2: Convert to fraction form
    84,200,856.70/126,301,285.05 = 47,921,151.10/x
  3. Step 3: Cross multiply
    84,200,856.70x = 126,301,285.05 × 47,921,151.10
  4. Step 4: Simplify right side
    84,200,856.70x = 6,052,502,965,005,221
  5. Step 5: Solve for x
    x = 6,052,502,965,005,221/84,200,856.70
  6. Step 6: Final answer
    x = 71,881,726.65

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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.