Home / 545,447,318.20-818,170,988.06-130,924,139.52

Finding the Fourth Proportional to 545,447,318.20, 818,170,988.06 and 130,924,139.52

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Solution

The fourth proportional to 545,447,318.20, 818,170,988.06 and 130,924,139.52 is: 196,386,211.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,447,318.20 : 818,170,988.06 = 130,924,139.52 : x
  2. Step 2: Convert to fraction form
    545,447,318.20/818,170,988.06 = 130,924,139.52/x
  3. Step 3: Cross multiply
    545,447,318.20x = 818,170,988.06 × 130,924,139.52
  4. Step 4: Simplify right side
    545,447,318.20x = 107,118,332,591,983,680
  5. Step 5: Solve for x
    x = 107,118,332,591,983,680/545,447,318.20
  6. Step 6: Final answer
    x = 196,386,211.86

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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.