Home / 137,829,073.92-190,213,326.72-75,949,402.88

Finding the Fourth Proportional to 137,829,073.92, 190,213,326.72 and 75,949,402.88

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Solution

The fourth proportional to 137,829,073.92, 190,213,326.72 and 75,949,402.88 is: 104,815,248.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,829,073.92 : 190,213,326.72 = 75,949,402.88 : x
  2. Step 2: Convert to fraction form
    137,829,073.92/190,213,326.72 = 75,949,402.88/x
  3. Step 3: Cross multiply
    137,829,073.92x = 190,213,326.72 × 75,949,402.88
  4. Step 4: Simplify right side
    137,829,073.92x = 14,446,588,584,202,348
  5. Step 5: Solve for x
    x = 14,446,588,584,202,348/137,829,073.92
  6. Step 6: Final answer
    x = 104,815,248.14

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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.