Home / 138,094,811.32-207,169,504.85-50,657,140.37

Finding the Fourth Proportional to 138,094,811.32, 207,169,504.85 and 50,657,140.37

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Solution

The fourth proportional to 138,094,811.32, 207,169,504.85 and 50,657,140.37 is: 75,995,720.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,094,811.32 : 207,169,504.85 = 50,657,140.37 : x
  2. Step 2: Convert to fraction form
    138,094,811.32/207,169,504.85 = 50,657,140.37/x
  3. Step 3: Cross multiply
    138,094,811.32x = 207,169,504.85 × 50,657,140.37
  4. Step 4: Simplify right side
    138,094,811.32x = 10,494,614,687,569,844
  5. Step 5: Solve for x
    x = 10,494,614,687,569,844/138,094,811.32
  6. Step 6: Final answer
    x = 75,995,720.53

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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.