Home / 91,863,119.40-137,794,679.10-83,360,063.40

Finding the Fourth Proportional to 91,863,119.40, 137,794,679.10 and 83,360,063.40

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Solution

The fourth proportional to 91,863,119.40, 137,794,679.10 and 83,360,063.40 is: 125,040,095.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,863,119.40 : 137,794,679.10 = 83,360,063.40 : x
  2. Step 2: Convert to fraction form
    91,863,119.40/137,794,679.10 = 83,360,063.40/x
  3. Step 3: Cross multiply
    91,863,119.40x = 137,794,679.10 × 83,360,063.40
  4. Step 4: Simplify right side
    91,863,119.40x = 11,486,573,185,958,656
  5. Step 5: Solve for x
    x = 11,486,573,185,958,656/91,863,119.40
  6. Step 6: Final answer
    x = 125,040,095.10

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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.