Home / 56,979,330.60-85,468,995.90-16,591,132.20

Finding the Fourth Proportional to 56,979,330.60, 85,468,995.90 and 16,591,132.20

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Solution

The fourth proportional to 56,979,330.60, 85,468,995.90 and 16,591,132.20 is: 24,886,698.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,979,330.60 : 85,468,995.90 = 16,591,132.20 : x
  2. Step 2: Convert to fraction form
    56,979,330.60/85,468,995.90 = 16,591,132.20/x
  3. Step 3: Cross multiply
    56,979,330.60x = 85,468,995.90 × 16,591,132.20
  4. Step 4: Simplify right side
    56,979,330.60x = 1,418,027,409,978,158
  5. Step 5: Solve for x
    x = 1,418,027,409,978,158/56,979,330.60
  6. Step 6: Final answer
    x = 24,886,698.30

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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.