Home / 143,859,154.64-198,525,260.00-80,278,827.16

Finding the Fourth Proportional to 143,859,154.64, 198,525,260.00 and 80,278,827.16

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Solution

The fourth proportional to 143,859,154.64, 198,525,260.00 and 80,278,827.16 is: 110,784,573.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,859,154.64 : 198,525,260.00 = 80,278,827.16 : x
  2. Step 2: Convert to fraction form
    143,859,154.64/198,525,260.00 = 80,278,827.16/x
  3. Step 3: Cross multiply
    143,859,154.64x = 198,525,260.00 × 80,278,827.16
  4. Step 4: Simplify right side
    143,859,154.64x = 15,937,375,033,040,042
  5. Step 5: Solve for x
    x = 15,937,375,033,040,042/143,859,154.64
  6. Step 6: Final answer
    x = 110,784,573.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.