Home / 142,928,121.60-214,392,182.40-88,508,563.20

Finding the Fourth Proportional to 142,928,121.60, 214,392,182.40 and 88,508,563.20

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Solution

The fourth proportional to 142,928,121.60, 214,392,182.40 and 88,508,563.20 is: 132,762,844.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,928,121.60 : 214,392,182.40 = 88,508,563.20 : x
  2. Step 2: Convert to fraction form
    142,928,121.60/214,392,182.40 = 88,508,563.20/x
  3. Step 3: Cross multiply
    142,928,121.60x = 214,392,182.40 × 88,508,563.20
  4. Step 4: Simplify right side
    142,928,121.60x = 18,975,544,025,536,328
  5. Step 5: Solve for x
    x = 18,975,544,025,536,328/142,928,121.60
  6. Step 6: Final answer
    x = 132,762,844.80

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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.