Home / 143,499,200.80-215,248,801.20-70,729,837.60

Finding the Fourth Proportional to 143,499,200.80, 215,248,801.20 and 70,729,837.60

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Solution

The fourth proportional to 143,499,200.80, 215,248,801.20 and 70,729,837.60 is: 106,094,756.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,499,200.80 : 215,248,801.20 = 70,729,837.60 : x
  2. Step 2: Convert to fraction form
    143,499,200.80/215,248,801.20 = 70,729,837.60/x
  3. Step 3: Cross multiply
    143,499,200.80x = 215,248,801.20 × 70,729,837.60
  4. Step 4: Simplify right side
    143,499,200.80x = 15,224,512,752,470,682
  5. Step 5: Solve for x
    x = 15,224,512,752,470,682/143,499,200.80
  6. Step 6: Final answer
    x = 106,094,756.40

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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.