Home / 70,679,862.40-106,019,793.60-38,347,254.40

Finding the Fourth Proportional to 70,679,862.40, 106,019,793.60 and 38,347,254.40

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Solution

The fourth proportional to 70,679,862.40, 106,019,793.60 and 38,347,254.40 is: 57,520,881.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,679,862.40 : 106,019,793.60 = 38,347,254.40 : x
  2. Step 2: Convert to fraction form
    70,679,862.40/106,019,793.60 = 38,347,254.40/x
  3. Step 3: Cross multiply
    70,679,862.40x = 106,019,793.60 × 38,347,254.40
  4. Step 4: Simplify right side
    70,679,862.40x = 4,065,567,996,614,691.50
  5. Step 5: Solve for x
    x = 4,065,567,996,614,691.50/70,679,862.40
  6. Step 6: Final answer
    x = 57,520,881.60

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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.