Home / 126,117,359.03-189,159,767.27-39,864,484.73

Finding the Fourth Proportional to 126,117,359.03, 189,159,767.27 and 39,864,484.73

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Solution

The fourth proportional to 126,117,359.03, 189,159,767.27 and 39,864,484.73 is: 59,791,583.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,117,359.03 : 189,159,767.27 = 39,864,484.73 : x
  2. Step 2: Convert to fraction form
    126,117,359.03/189,159,767.27 = 39,864,484.73/x
  3. Step 3: Cross multiply
    126,117,359.03x = 189,159,767.27 × 39,864,484.73
  4. Step 4: Simplify right side
    126,117,359.03x = 7,540,756,654,288,338
  5. Step 5: Solve for x
    x = 7,540,756,654,288,338/126,117,359.03
  6. Step 6: Final answer
    x = 59,791,583.90

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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.