Home / 83,983,009.50-125,974,514.25-20,157,601.50

Finding the Fourth Proportional to 83,983,009.50, 125,974,514.25 and 20,157,601.50

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Solution

The fourth proportional to 83,983,009.50, 125,974,514.25 and 20,157,601.50 is: 30,236,402.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,983,009.50 : 125,974,514.25 = 20,157,601.50 : x
  2. Step 2: Convert to fraction form
    83,983,009.50/125,974,514.25 = 20,157,601.50/x
  3. Step 3: Cross multiply
    83,983,009.50x = 125,974,514.25 × 20,157,601.50
  4. Step 4: Simplify right side
    83,983,009.50x = 2,539,344,057,407,571.50
  5. Step 5: Solve for x
    x = 2,539,344,057,407,571.50/83,983,009.50
  6. Step 6: Final answer
    x = 30,236,402.25

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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.