Home / 75,722,622.72-113,538,531.96-36,784,397.40

Finding the Fourth Proportional to 75,722,622.72, 113,538,531.96 and 36,784,397.40

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Solution

The fourth proportional to 75,722,622.72, 113,538,531.96 and 36,784,397.40 is: 55,154,540.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,722,622.72 : 113,538,531.96 = 36,784,397.40 : x
  2. Step 2: Convert to fraction form
    75,722,622.72/113,538,531.96 = 36,784,397.40/x
  3. Step 3: Cross multiply
    75,722,622.72x = 113,538,531.96 × 36,784,397.40
  4. Step 4: Simplify right side
    75,722,622.72x = 4,176,446,479,829,240.50
  5. Step 5: Solve for x
    x = 4,176,446,479,829,240.50/75,722,622.72
  6. Step 6: Final answer
    x = 55,154,540.74

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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.