Home / 265,555,737.60-398,333,606.40-83,821,286.40

Finding the Fourth Proportional to 265,555,737.60, 398,333,606.40 and 83,821,286.40

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Solution

The fourth proportional to 265,555,737.60, 398,333,606.40 and 83,821,286.40 is: 125,731,929.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,555,737.60 : 398,333,606.40 = 83,821,286.40 : x
  2. Step 2: Convert to fraction form
    265,555,737.60/398,333,606.40 = 83,821,286.40/x
  3. Step 3: Cross multiply
    265,555,737.60x = 398,333,606.40 × 83,821,286.40
  4. Step 4: Simplify right side
    265,555,737.60x = 33,388,835,304,799,272
  5. Step 5: Solve for x
    x = 33,388,835,304,799,272/265,555,737.60
  6. Step 6: Final answer
    x = 125,731,929.60

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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.