Home / 209,953,809.20-314,930,713.80-88,785,261.20

Finding the Fourth Proportional to 209,953,809.20, 314,930,713.80 and 88,785,261.20

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Solution

The fourth proportional to 209,953,809.20, 314,930,713.80 and 88,785,261.20 is: 133,177,891.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,809.20 : 314,930,713.80 = 88,785,261.20 : x
  2. Step 2: Convert to fraction form
    209,953,809.20/314,930,713.80 = 88,785,261.20/x
  3. Step 3: Cross multiply
    209,953,809.20x = 314,930,713.80 × 88,785,261.20
  4. Step 4: Simplify right side
    209,953,809.20x = 27,961,205,684,635,448
  5. Step 5: Solve for x
    x = 27,961,205,684,635,448/209,953,809.20
  6. Step 6: Final answer
    x = 133,177,891.80

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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.