Home / 53,728,003.80-80,592,005.70-38,723,434.20

Finding the Fourth Proportional to 53,728,003.80, 80,592,005.70 and 38,723,434.20

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Solution

The fourth proportional to 53,728,003.80, 80,592,005.70 and 38,723,434.20 is: 58,085,151.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,728,003.80 : 80,592,005.70 = 38,723,434.20 : x
  2. Step 2: Convert to fraction form
    53,728,003.80/80,592,005.70 = 38,723,434.20/x
  3. Step 3: Cross multiply
    53,728,003.80x = 80,592,005.70 × 38,723,434.20
  4. Step 4: Simplify right side
    53,728,003.80x = 3,120,799,229,769,975.50
  5. Step 5: Solve for x
    x = 3,120,799,229,769,975.50/53,728,003.80
  6. Step 6: Final answer
    x = 58,085,151.30

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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.