Home / 56,955,427.20-85,412,145.60-28,192,003.20

Finding the Fourth Proportional to 56,955,427.20, 85,412,145.60 and 28,192,003.20

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Solution

The fourth proportional to 56,955,427.20, 85,412,145.60 and 28,192,003.20 is: 42,277,612.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,955,427.20 : 85,412,145.60 = 28,192,003.20 : x
  2. Step 2: Convert to fraction form
    56,955,427.20/85,412,145.60 = 28,192,003.20/x
  3. Step 3: Cross multiply
    56,955,427.20x = 85,412,145.60 × 28,192,003.20
  4. Step 4: Simplify right side
    56,955,427.20x = 2,407,939,482,074,065.50
  5. Step 5: Solve for x
    x = 2,407,939,482,074,065.50/56,955,427.20
  6. Step 6: Final answer
    x = 42,277,612.52

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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.