Home / 272,158,056.61-408,235,916.08-75,420,904.78

Finding the Fourth Proportional to 272,158,056.61, 408,235,916.08 and 75,420,904.78

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Solution

The fourth proportional to 272,158,056.61, 408,235,916.08 and 75,420,904.78 is: 113,131,033.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,158,056.61 : 408,235,916.08 = 75,420,904.78 : x
  2. Step 2: Convert to fraction form
    272,158,056.61/408,235,916.08 = 75,420,904.78/x
  3. Step 3: Cross multiply
    272,158,056.61x = 408,235,916.08 × 75,420,904.78
  4. Step 4: Simplify right side
    272,158,056.61x = 30,789,522,155,050,324
  5. Step 5: Solve for x
    x = 30,789,522,155,050,324/272,158,056.61
  6. Step 6: Final answer
    x = 113,131,033.26

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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.