Home / 75,917,143.56-113,827,863.78-64,406,641.80

Finding the Fourth Proportional to 75,917,143.56, 113,827,863.78 and 64,406,641.80

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Solution

The fourth proportional to 75,917,143.56, 113,827,863.78 and 64,406,641.80 is: 96,569,366.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,917,143.56 : 113,827,863.78 = 64,406,641.80 : x
  2. Step 2: Convert to fraction form
    75,917,143.56/113,827,863.78 = 64,406,641.80/x
  3. Step 3: Cross multiply
    75,917,143.56x = 113,827,863.78 × 64,406,641.80
  4. Step 4: Simplify right side
    75,917,143.56x = 7,331,270,449,337,654
  5. Step 5: Solve for x
    x = 7,331,270,449,337,654/75,917,143.56
  6. Step 6: Final answer
    x = 96,569,366.36

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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.