Home / 99,278,567.20-148,931,847.60-31,114,151.20

Finding the Fourth Proportional to 99,278,567.20, 148,931,847.60 and 31,114,151.20

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Solution

The fourth proportional to 99,278,567.20, 148,931,847.60 and 31,114,151.20 is: 46,675,613.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,278,567.20 : 148,931,847.60 = 31,114,151.20 : x
  2. Step 2: Convert to fraction form
    99,278,567.20/148,931,847.60 = 31,114,151.20/x
  3. Step 3: Cross multiply
    99,278,567.20x = 148,931,847.60 × 31,114,151.20
  4. Step 4: Simplify right side
    99,278,567.20x = 4,633,888,024,721,757
  5. Step 5: Solve for x
    x = 4,633,888,024,721,757/99,278,567.20
  6. Step 6: Final answer
    x = 46,675,613.43

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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.