Home / 91,784,812.65-137,637,360.90-30,350,233.05

Finding the Fourth Proportional to 91,784,812.65, 137,637,360.90 and 30,350,233.05

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Solution

The fourth proportional to 91,784,812.65, 137,637,360.90 and 30,350,233.05 is: 45,512,169.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,784,812.65 : 137,637,360.90 = 30,350,233.05 : x
  2. Step 2: Convert to fraction form
    91,784,812.65/137,637,360.90 = 30,350,233.05/x
  3. Step 3: Cross multiply
    91,784,812.65x = 137,637,360.90 × 30,350,233.05
  4. Step 4: Simplify right side
    91,784,812.65x = 4,177,325,979,701,958
  5. Step 5: Solve for x
    x = 4,177,325,979,701,958/91,784,812.65
  6. Step 6: Final answer
    x = 45,512,169.81

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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.