Home / 91,175,216.67-136,817,293.68-83,757,366.48

Finding the Fourth Proportional to 91,175,216.67, 136,817,293.68 and 83,757,366.48

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Solution

The fourth proportional to 91,175,216.67, 136,817,293.68 and 83,757,366.48 is: 125,686,086.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,175,216.67 : 136,817,293.68 = 83,757,366.48 : x
  2. Step 2: Convert to fraction form
    91,175,216.67/136,817,293.68 = 83,757,366.48/x
  3. Step 3: Cross multiply
    91,175,216.67x = 136,817,293.68 × 83,757,366.48
  4. Step 4: Simplify right side
    91,175,216.67x = 11,459,456,207,557,550
  5. Step 5: Solve for x
    x = 11,459,456,207,557,550/91,175,216.67
  6. Step 6: Final answer
    x = 125,686,086.92

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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.