Home / 91,862,102.70-137,790,201.60-30,454,095.15

Finding the Fourth Proportional to 91,862,102.70, 137,790,201.60 and 30,454,095.15

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Solution

The fourth proportional to 91,862,102.70, 137,790,201.60 and 30,454,095.15 is: 45,680,163.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,862,102.70 : 137,790,201.60 = 30,454,095.15 : x
  2. Step 2: Convert to fraction form
    91,862,102.70/137,790,201.60 = 30,454,095.15/x
  3. Step 3: Cross multiply
    91,862,102.70x = 137,790,201.60 × 30,454,095.15
  4. Step 4: Simplify right side
    91,862,102.70x = 4,196,275,910,264,082
  5. Step 5: Solve for x
    x = 4,196,275,910,264,082/91,862,102.70
  6. Step 6: Final answer
    x = 45,680,163.93

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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.