Home / 71,819,292.38-99,111,252.87-40,881,450.92

Finding the Fourth Proportional to 71,819,292.38, 99,111,252.87 and 40,881,450.92

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Solution

The fourth proportional to 71,819,292.38, 99,111,252.87 and 40,881,450.92 is: 56,416,760.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,819,292.38 : 99,111,252.87 = 40,881,450.92 : x
  2. Step 2: Convert to fraction form
    71,819,292.38/99,111,252.87 = 40,881,450.92/x
  3. Step 3: Cross multiply
    71,819,292.38x = 99,111,252.87 × 40,881,450.92
  4. Step 4: Simplify right side
    71,819,292.38x = 4,051,811,819,329,058
  5. Step 5: Solve for x
    x = 4,051,811,819,329,058/71,819,292.38
  6. Step 6: Final answer
    x = 56,416,760.53

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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.