Home / 310,758,566.40-466,193,836.80-129,024,115.20

Finding the Fourth Proportional to 310,758,566.40, 466,193,836.80 and 129,024,115.20

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Solution

The fourth proportional to 310,758,566.40, 466,193,836.80 and 129,024,115.20 is: 193,559,418.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,758,566.40 : 466,193,836.80 = 129,024,115.20 : x
  2. Step 2: Convert to fraction form
    310,758,566.40/466,193,836.80 = 129,024,115.20/x
  3. Step 3: Cross multiply
    310,758,566.40x = 466,193,836.80 × 129,024,115.20
  4. Step 4: Simplify right side
    310,758,566.40x = 60,150,247,304,813,200
  5. Step 5: Solve for x
    x = 60,150,247,304,813,200/310,758,566.40
  6. Step 6: Final answer
    x = 193,559,418.17

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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.