Home / 74,876,959-112,301,234.34-36,499,876.12

Finding the Fourth Proportional to 74,876,959, 112,301,234.34 and 36,499,876.12

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Solution

The fourth proportional to 74,876,959, 112,301,234.34 and 36,499,876.12 is: 54,742,890.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,876,959 : 112,301,234.34 = 36,499,876.12 : x
  2. Step 2: Convert to fraction form
    74,876,959/112,301,234.34 = 36,499,876.12/x
  3. Step 3: Cross multiply
    74,876,959x = 112,301,234.34 × 36,499,876.12
  4. Step 4: Simplify right side
    74,876,959x = 4,098,981,141,533,090
  5. Step 5: Solve for x
    x = 4,098,981,141,533,090/74,876,959
  6. Step 6: Final answer
    x = 54,742,890.15

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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.