Home / 369,168,538.80-553,752,808.20-153,729,793.20

Finding the Fourth Proportional to 369,168,538.80, 553,752,808.20 and 153,729,793.20

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Solution

The fourth proportional to 369,168,538.80, 553,752,808.20 and 153,729,793.20 is: 230,594,689.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,168,538.80 : 553,752,808.20 = 153,729,793.20 : x
  2. Step 2: Convert to fraction form
    369,168,538.80/553,752,808.20 = 153,729,793.20/x
  3. Step 3: Cross multiply
    369,168,538.80x = 553,752,808.20 × 153,729,793.20
  4. Step 4: Simplify right side
    369,168,538.80x = 85,128,304,688,505,264
  5. Step 5: Solve for x
    x = 85,128,304,688,505,264/369,168,538.80
  6. Step 6: Final answer
    x = 230,594,689.80

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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.