Home / 157,464,155.90-236,196,233.85-138,332,279.90

Finding the Fourth Proportional to 157,464,155.90, 236,196,233.85 and 138,332,279.90

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Solution

The fourth proportional to 157,464,155.90, 236,196,233.85 and 138,332,279.90 is: 207,498,419.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,464,155.90 : 236,196,233.85 = 138,332,279.90 : x
  2. Step 2: Convert to fraction form
    157,464,155.90/236,196,233.85 = 138,332,279.90/x
  3. Step 3: Cross multiply
    157,464,155.90x = 236,196,233.85 × 138,332,279.90
  4. Step 4: Simplify right side
    157,464,155.90x = 32,673,563,532,264,056
  5. Step 5: Solve for x
    x = 32,673,563,532,264,056/157,464,155.90
  6. Step 6: Final answer
    x = 207,498,419.85

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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.