Home / 384,750,010.80-577,125,016.20-112,129,671.60

Finding the Fourth Proportional to 384,750,010.80, 577,125,016.20 and 112,129,671.60

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Solution

The fourth proportional to 384,750,010.80, 577,125,016.20 and 112,129,671.60 is: 168,194,507.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,750,010.80 : 577,125,016.20 = 112,129,671.60 : x
  2. Step 2: Convert to fraction form
    384,750,010.80/577,125,016.20 = 112,129,671.60/x
  3. Step 3: Cross multiply
    384,750,010.80x = 577,125,016.20 × 112,129,671.60
  4. Step 4: Simplify right side
    384,750,010.80x = 64,712,838,538,650,680
  5. Step 5: Solve for x
    x = 64,712,838,538,650,680/384,750,010.80
  6. Step 6: Final answer
    x = 168,194,507.40

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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.