Home / 195,227,509.32-292,538,508.12-113,142,792.78

Finding the Fourth Proportional to 195,227,509.32, 292,538,508.12 and 113,142,792.78

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Solution

The fourth proportional to 195,227,509.32, 292,538,508.12 and 113,142,792.78 is: 169,538,729.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,227,509.32 : 292,538,508.12 = 113,142,792.78 : x
  2. Step 2: Convert to fraction form
    195,227,509.32/292,538,508.12 = 113,142,792.78/x
  3. Step 3: Cross multiply
    195,227,509.32x = 292,538,508.12 × 113,142,792.78
  4. Step 4: Simplify right side
    195,227,509.32x = 33,098,623,804,391,508
  5. Step 5: Solve for x
    x = 33,098,623,804,391,508/195,227,509.32
  6. Step 6: Final answer
    x = 169,538,729.04

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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.