Home / 72,348,150.80-108,522,226.20-49,389,899.60

Finding the Fourth Proportional to 72,348,150.80, 108,522,226.20 and 49,389,899.60

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Solution

The fourth proportional to 72,348,150.80, 108,522,226.20 and 49,389,899.60 is: 74,084,849.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,348,150.80 : 108,522,226.20 = 49,389,899.60 : x
  2. Step 2: Convert to fraction form
    72,348,150.80/108,522,226.20 = 49,389,899.60/x
  3. Step 3: Cross multiply
    72,348,150.80x = 108,522,226.20 × 49,389,899.60
  4. Step 4: Simplify right side
    72,348,150.80x = 5,359,901,856,386,490
  5. Step 5: Solve for x
    x = 5,359,901,856,386,490/72,348,150.80
  6. Step 6: Final answer
    x = 74,084,849.40

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1.5x scale

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.