Home / 207,177,923.20-310,766,884.80-139,053,251.20

Finding the Fourth Proportional to 207,177,923.20, 310,766,884.80 and 139,053,251.20

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Solution

The fourth proportional to 207,177,923.20, 310,766,884.80 and 139,053,251.20 is: 208,579,876.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,177,923.20 : 310,766,884.80 = 139,053,251.20 : x
  2. Step 2: Convert to fraction form
    207,177,923.20/310,766,884.80 = 139,053,251.20/x
  3. Step 3: Cross multiply
    207,177,923.20x = 310,766,884.80 × 139,053,251.20
  4. Step 4: Simplify right side
    207,177,923.20x = 43,213,145,696,735,856
  5. Step 5: Solve for x
    x = 43,213,145,696,735,856/207,177,923.20
  6. Step 6: Final answer
    x = 208,579,876.80

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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.