Home / 87,116,393.27-130,678,196.20-25,705,550.76

Finding the Fourth Proportional to 87,116,393.27, 130,678,196.20 and 25,705,550.76

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Solution

The fourth proportional to 87,116,393.27, 130,678,196.20 and 25,705,550.76 is: 38,559,390.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,116,393.27 : 130,678,196.20 = 25,705,550.76 : x
  2. Step 2: Convert to fraction form
    87,116,393.27/130,678,196.20 = 25,705,550.76/x
  3. Step 3: Cross multiply
    87,116,393.27x = 130,678,196.20 × 25,705,550.76
  4. Step 4: Simplify right side
    87,116,393.27x = 3,359,155,005,589,045
  5. Step 5: Solve for x
    x = 3,359,155,005,589,045/87,116,393.27
  6. Step 6: Final answer
    x = 38,559,390.25

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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.