Home / 133,016,800.80-199,525,201.20-87,331,245.60

Finding the Fourth Proportional to 133,016,800.80, 199,525,201.20 and 87,331,245.60

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Solution

The fourth proportional to 133,016,800.80, 199,525,201.20 and 87,331,245.60 is: 130,996,868.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,016,800.80 : 199,525,201.20 = 87,331,245.60 : x
  2. Step 2: Convert to fraction form
    133,016,800.80/199,525,201.20 = 87,331,245.60/x
  3. Step 3: Cross multiply
    133,016,800.80x = 199,525,201.20 × 87,331,245.60
  4. Step 4: Simplify right side
    133,016,800.80x = 17,424,784,349,386,612
  5. Step 5: Solve for x
    x = 17,424,784,349,386,612/133,016,800.80
  6. Step 6: Final answer
    x = 130,996,868.40

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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.