Home / 63,845,446.20-95,782,166.10-20,707,308.60

Finding the Fourth Proportional to 63,845,446.20, 95,782,166.10 and 20,707,308.60

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Solution

The fourth proportional to 63,845,446.20, 95,782,166.10 and 20,707,308.60 is: 31,065,502.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,845,446.20 : 95,782,166.10 = 20,707,308.60 : x
  2. Step 2: Convert to fraction form
    63,845,446.20/95,782,166.10 = 20,707,308.60/x
  3. Step 3: Cross multiply
    63,845,446.20x = 95,782,166.10 × 20,707,308.60
  4. Step 4: Simplify right side
    63,845,446.20x = 1,983,390,871,809,158.50
  5. Step 5: Solve for x
    x = 1,983,390,871,809,158.50/63,845,446.20
  6. Step 6: Final answer
    x = 31,065,502.55

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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.