Home / 156,972,154.40-235,542,212.40-66,104,928.80

Finding the Fourth Proportional to 156,972,154.40, 235,542,212.40 and 66,104,928.80

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Solution

The fourth proportional to 156,972,154.40, 235,542,212.40 and 66,104,928.80 is: 99,192,759.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,972,154.40 : 235,542,212.40 = 66,104,928.80 : x
  2. Step 2: Convert to fraction form
    156,972,154.40/235,542,212.40 = 66,104,928.80/x
  3. Step 3: Cross multiply
    156,972,154.40x = 235,542,212.40 × 66,104,928.80
  4. Step 4: Simplify right side
    156,972,154.40x = 15,570,501,180,096,476
  5. Step 5: Solve for x
    x = 15,570,501,180,096,476/156,972,154.40
  6. Step 6: Final answer
    x = 99,192,759.63

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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.