Home / 38,134,861.60-57,202,292.40-20,218,957.60

Finding the Fourth Proportional to 38,134,861.60, 57,202,292.40 and 20,218,957.60

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Solution

The fourth proportional to 38,134,861.60, 57,202,292.40 and 20,218,957.60 is: 30,328,436.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,134,861.60 : 57,202,292.40 = 20,218,957.60 : x
  2. Step 2: Convert to fraction form
    38,134,861.60/57,202,292.40 = 20,218,957.60/x
  3. Step 3: Cross multiply
    38,134,861.60x = 57,202,292.40 × 20,218,957.60
  4. Step 4: Simplify right side
    38,134,861.60x = 1,156,570,724,658,402.25
  5. Step 5: Solve for x
    x = 1,156,570,724,658,402.25/38,134,861.60
  6. Step 6: Final answer
    x = 30,328,436.40

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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.