Home / 127,482,726.96-191,257,507.90-40,040,711.91

Finding the Fourth Proportional to 127,482,726.96, 191,257,507.90 and 40,040,711.91

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Solution

The fourth proportional to 127,482,726.96, 191,257,507.90 and 40,040,711.91 is: 60,071,563.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,482,726.96 : 191,257,507.90 = 40,040,711.91 : x
  2. Step 2: Convert to fraction form
    127,482,726.96/191,257,507.90 = 40,040,711.91/x
  3. Step 3: Cross multiply
    127,482,726.96x = 191,257,507.90 × 40,040,711.91
  4. Step 4: Simplify right side
    127,482,726.96x = 7,658,086,774,498,499
  5. Step 5: Solve for x
    x = 7,658,086,774,498,499/127,482,726.96
  6. Step 6: Final answer
    x = 60,071,563.87

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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.