Home / 209,703,604.20-314,443,431.90-88,398,004.20

Finding the Fourth Proportional to 209,703,604.20, 314,443,431.90 and 88,398,004.20

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Solution

The fourth proportional to 209,703,604.20, 314,443,431.90 and 88,398,004.20 is: 132,549,804.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,703,604.20 : 314,443,431.90 = 88,398,004.20 : x
  2. Step 2: Convert to fraction form
    209,703,604.20/314,443,431.90 = 88,398,004.20/x
  3. Step 3: Cross multiply
    209,703,604.20x = 314,443,431.90 × 88,398,004.20
  4. Step 4: Simplify right side
    209,703,604.20x = 27,796,171,813,758,612
  5. Step 5: Solve for x
    x = 27,796,171,813,758,612/209,703,604.20
  6. Step 6: Final answer
    x = 132,549,804.85

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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.