Home / 341,918,659.60-513,129,931.80-137,593,373.20

Finding the Fourth Proportional to 341,918,659.60, 513,129,931.80 and 137,593,373.20

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Solution

The fourth proportional to 341,918,659.60, 513,129,931.80 and 137,593,373.20 is: 206,491,445.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,918,659.60 : 513,129,931.80 = 137,593,373.20 : x
  2. Step 2: Convert to fraction form
    341,918,659.60/513,129,931.80 = 137,593,373.20/x
  3. Step 3: Cross multiply
    341,918,659.60x = 513,129,931.80 × 137,593,373.20
  4. Step 4: Simplify right side
    341,918,659.60x = 70,603,278,206,247,944
  5. Step 5: Solve for x
    x = 70,603,278,206,247,944/341,918,659.60
  6. Step 6: Final answer
    x = 206,491,445.33

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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.