Home / 268,035,177.60-402,052,766.40-86,282,355.60

Finding the Fourth Proportional to 268,035,177.60, 402,052,766.40 and 86,282,355.60

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Solution

The fourth proportional to 268,035,177.60, 402,052,766.40 and 86,282,355.60 is: 129,423,533.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,035,177.60 : 402,052,766.40 = 86,282,355.60 : x
  2. Step 2: Convert to fraction form
    268,035,177.60/402,052,766.40 = 86,282,355.60/x
  3. Step 3: Cross multiply
    268,035,177.60x = 402,052,766.40 × 86,282,355.60
  4. Step 4: Simplify right side
    268,035,177.60x = 34,690,059,760,488,528
  5. Step 5: Solve for x
    x = 34,690,059,760,488,528/268,035,177.60
  6. Step 6: Final answer
    x = 129,423,533.40

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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.