Home / 265,804,585.80-398,781,528.30-129,494,416.20

Finding the Fourth Proportional to 265,804,585.80, 398,781,528.30 and 129,494,416.20

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Solution

The fourth proportional to 265,804,585.80, 398,781,528.30 and 129,494,416.20 is: 194,277,992.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,804,585.80 : 398,781,528.30 = 129,494,416.20 : x
  2. Step 2: Convert to fraction form
    265,804,585.80/398,781,528.30 = 129,494,416.20/x
  3. Step 3: Cross multiply
    265,804,585.80x = 398,781,528.30 × 129,494,416.20
  4. Step 4: Simplify right side
    265,804,585.80x = 51,639,981,198,552,280
  5. Step 5: Solve for x
    x = 51,639,981,198,552,280/265,804,585.80
  6. Step 6: Final answer
    x = 194,277,992.02

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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.