Home / 209,953,513.20-314,930,269.80-88,784,965.20

Finding the Fourth Proportional to 209,953,513.20, 314,930,269.80 and 88,784,965.20

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Solution

The fourth proportional to 209,953,513.20, 314,930,269.80 and 88,784,965.20 is: 133,177,447.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,513.20 : 314,930,269.80 = 88,784,965.20 : x
  2. Step 2: Convert to fraction form
    209,953,513.20/314,930,269.80 = 88,784,965.20/x
  3. Step 3: Cross multiply
    209,953,513.20x = 314,930,269.80 × 88,784,965.20
  4. Step 4: Simplify right side
    209,953,513.20x = 27,961,073,044,619,612
  5. Step 5: Solve for x
    x = 27,961,073,044,619,612/209,953,513.20
  6. Step 6: Final answer
    x = 133,177,447.80

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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.