Home / 71,668,178.92-107,462,386.14-42,533,857

Finding the Fourth Proportional to 71,668,178.92, 107,462,386.14 and 42,533,857

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Solution

The fourth proportional to 71,668,178.92, 107,462,386.14 and 42,533,857 is: 63,777,116.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,668,178.92 : 107,462,386.14 = 42,533,857 : x
  2. Step 2: Convert to fraction form
    71,668,178.92/107,462,386.14 = 42,533,857/x
  3. Step 3: Cross multiply
    71,668,178.92x = 107,462,386.14 × 42,533,857
  4. Step 4: Simplify right side
    71,668,178.92x = 4,570,789,764,957,542
  5. Step 5: Solve for x
    x = 4,570,789,764,957,542/71,668,178.92
  6. Step 6: Final answer
    x = 63,777,116.06

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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.