Home / 118,494,494.06-177,695,789.25-40,756,616.78

Finding the Fourth Proportional to 118,494,494.06, 177,695,789.25 and 40,756,616.78

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Solution

The fourth proportional to 118,494,494.06, 177,695,789.25 and 40,756,616.78 is: 61,119,119.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,494,494.06 : 177,695,789.25 = 40,756,616.78 : x
  2. Step 2: Convert to fraction form
    118,494,494.06/177,695,789.25 = 40,756,616.78/x
  3. Step 3: Cross multiply
    118,494,494.06x = 177,695,789.25 × 40,756,616.78
  4. Step 4: Simplify right side
    118,494,494.06x = 7,242,279,185,881,894
  5. Step 5: Solve for x
    x = 7,242,279,185,881,894/118,494,494.06
  6. Step 6: Final answer
    x = 61,119,119.87

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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.