Home / 91,785,025.65-137,637,680.40-30,350,446.05

Finding the Fourth Proportional to 91,785,025.65, 137,637,680.40 and 30,350,446.05

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Solution

The fourth proportional to 91,785,025.65, 137,637,680.40 and 30,350,446.05 is: 45,512,489.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,785,025.65 : 137,637,680.40 = 30,350,446.05 : x
  2. Step 2: Convert to fraction form
    91,785,025.65/137,637,680.40 = 30,350,446.05/x
  3. Step 3: Cross multiply
    91,785,025.65x = 137,637,680.40 × 30,350,446.05
  4. Step 4: Simplify right side
    91,785,025.65x = 4,177,364,993,427,342.50
  5. Step 5: Solve for x
    x = 4,177,364,993,427,342.50/91,785,025.65
  6. Step 6: Final answer
    x = 45,512,489.25

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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.