Home / 66,445,331.20-99,686,659.20-32,367,788.80

Finding the Fourth Proportional to 66,445,331.20, 99,686,659.20 and 32,367,788.80

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Solution

The fourth proportional to 66,445,331.20, 99,686,659.20 and 32,367,788.80 is: 48,560,774.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,445,331.20 : 99,686,659.20 = 32,367,788.80 : x
  2. Step 2: Convert to fraction form
    66,445,331.20/99,686,659.20 = 32,367,788.80/x
  3. Step 3: Cross multiply
    66,445,331.20x = 99,686,659.20 × 32,367,788.80
  4. Step 4: Simplify right side
    66,445,331.20x = 3,226,636,731,163,177
  5. Step 5: Solve for x
    x = 3,226,636,731,163,177/66,445,331.20
  6. Step 6: Final answer
    x = 48,560,774.29

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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.