Home / 71,082,374.42-106,627,550.08-19,960,407.38

Finding the Fourth Proportional to 71,082,374.42, 106,627,550.08 and 19,960,407.38

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Solution

The fourth proportional to 71,082,374.42, 106,627,550.08 and 19,960,407.38 is: 29,941,731.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,082,374.42 : 106,627,550.08 = 19,960,407.38 : x
  2. Step 2: Convert to fraction form
    71,082,374.42/106,627,550.08 = 19,960,407.38/x
  3. Step 3: Cross multiply
    71,082,374.42x = 106,627,550.08 × 19,960,407.38
  4. Step 4: Simplify right side
    71,082,374.42x = 2,128,329,337,528,151.50
  5. Step 5: Solve for x
    x = 2,128,329,337,528,151.50/71,082,374.42
  6. Step 6: Final answer
    x = 29,941,731.05

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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.