Home / 132,859,937.40-199,321,398.90-68,173,726.20

Finding the Fourth Proportional to 132,859,937.40, 199,321,398.90 and 68,173,726.20

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Solution

The fourth proportional to 132,859,937.40, 199,321,398.90 and 68,173,726.20 is: 102,276,749.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,859,937.40 : 199,321,398.90 = 68,173,726.20 : x
  2. Step 2: Convert to fraction form
    132,859,937.40/199,321,398.90 = 68,173,726.20/x
  3. Step 3: Cross multiply
    132,859,937.40x = 199,321,398.90 × 68,173,726.20
  4. Step 4: Simplify right side
    132,859,937.40x = 13,588,482,474,409,582
  5. Step 5: Solve for x
    x = 13,588,482,474,409,582/132,859,937.40
  6. Step 6: Final answer
    x = 102,276,749.04

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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.