Home / 136,193,326.80-204,289,990.20-85,133,000.40

Finding the Fourth Proportional to 136,193,326.80, 204,289,990.20 and 85,133,000.40

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Solution

The fourth proportional to 136,193,326.80, 204,289,990.20 and 85,133,000.40 is: 127,699,500.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,193,326.80 : 204,289,990.20 = 85,133,000.40 : x
  2. Step 2: Convert to fraction form
    136,193,326.80/204,289,990.20 = 85,133,000.40/x
  3. Step 3: Cross multiply
    136,193,326.80x = 204,289,990.20 × 85,133,000.40
  4. Step 4: Simplify right side
    136,193,326.80x = 17,391,819,817,412,596
  5. Step 5: Solve for x
    x = 17,391,819,817,412,596/136,193,326.80
  6. Step 6: Final answer
    x = 127,699,500.60

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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.