Home / 113,786,442.15-157,008,398.76-69,109,165.04

Finding the Fourth Proportional to 113,786,442.15, 157,008,398.76 and 69,109,165.04

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Solution

The fourth proportional to 113,786,442.15, 157,008,398.76 and 69,109,165.04 is: 95,360,388.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,786,442.15 : 157,008,398.76 = 69,109,165.04 : x
  2. Step 2: Convert to fraction form
    113,786,442.15/157,008,398.76 = 69,109,165.04/x
  3. Step 3: Cross multiply
    113,786,442.15x = 157,008,398.76 × 69,109,165.04
  4. Step 4: Simplify right side
    113,786,442.15x = 10,850,719,341,785,928
  5. Step 5: Solve for x
    x = 10,850,719,341,785,928/113,786,442.15
  6. Step 6: Final answer
    x = 95,360,388.61

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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.