Home / 71,848,569.78-99,151,066.08-38,808,818.76

Finding the Fourth Proportional to 71,848,569.78, 99,151,066.08 and 38,808,818.76

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Solution

The fourth proportional to 71,848,569.78, 99,151,066.08 and 38,808,818.76 is: 53,556,191.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,848,569.78 : 99,151,066.08 = 38,808,818.76 : x
  2. Step 2: Convert to fraction form
    71,848,569.78/99,151,066.08 = 38,808,818.76/x
  3. Step 3: Cross multiply
    71,848,569.78x = 99,151,066.08 × 38,808,818.76
  4. Step 4: Simplify right side
    71,848,569.78x = 3,847,935,753,359,503.50
  5. Step 5: Solve for x
    x = 3,847,935,753,359,503.50/71,848,569.78
  6. Step 6: Final answer
    x = 53,556,191.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.