Home / 125,861,178,800.40-188,791,768,200.60-86,189,320,726.80

Finding the Fourth Proportional to 125,861,178,800.40, 188,791,768,200.60 and 86,189,320,726.80

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Solution

The fourth proportional to 125,861,178,800.40, 188,791,768,200.60 and 86,189,320,726.80 is: 129,283,981,090.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,861,178,800.40 : 188,791,768,200.60 = 86,189,320,726.80 : x
  2. Step 2: Convert to fraction form
    125,861,178,800.40/188,791,768,200.60 = 86,189,320,726.80/x
  3. Step 3: Cross multiply
    125,861,178,800.40x = 188,791,768,200.60 × 86,189,320,726.80
  4. Step 4: Simplify right side
    125,861,178,800.40x = 16,271,834,260,021,195,046,912
  5. Step 5: Solve for x
    x = 16,271,834,260,021,195,046,912/125,861,178,800.40
  6. Step 6: Final answer
    x = 129,283,981,090.20

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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.