Home / 134,770,847.60-202,288,981.80-66,690,412.40

Finding the Fourth Proportional to 134,770,847.60, 202,288,981.80 and 66,690,412.40

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Solution

The fourth proportional to 134,770,847.60, 202,288,981.80 and 66,690,412.40 is: 100,101,289.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,770,847.60 : 202,288,981.80 = 66,690,412.40 : x
  2. Step 2: Convert to fraction form
    134,770,847.60/202,288,981.80 = 66,690,412.40/x
  3. Step 3: Cross multiply
    134,770,847.60x = 202,288,981.80 × 66,690,412.40
  4. Step 4: Simplify right side
    134,770,847.60x = 13,490,735,620,218,094
  5. Step 5: Solve for x
    x = 13,490,735,620,218,094/134,770,847.60
  6. Step 6: Final answer
    x = 100,101,289.41

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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.