Home / 56,354,737.20-84,532,105.80-20,448,279.60

Finding the Fourth Proportional to 56,354,737.20, 84,532,105.80 and 20,448,279.60

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Solution

The fourth proportional to 56,354,737.20, 84,532,105.80 and 20,448,279.60 is: 30,672,419.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,354,737.20 : 84,532,105.80 = 20,448,279.60 : x
  2. Step 2: Convert to fraction form
    56,354,737.20/84,532,105.80 = 20,448,279.60/x
  3. Step 3: Cross multiply
    56,354,737.20x = 84,532,105.80 × 20,448,279.60
  4. Step 4: Simplify right side
    56,354,737.20x = 1,728,536,134,575,181.75
  5. Step 5: Solve for x
    x = 1,728,536,134,575,181.75/56,354,737.20
  6. Step 6: Final answer
    x = 30,672,419.40

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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.