Home / 48,343,885.20-72,515,827.80-47,840,000.40

Finding the Fourth Proportional to 48,343,885.20, 72,515,827.80 and 47,840,000.40

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Solution

The fourth proportional to 48,343,885.20, 72,515,827.80 and 47,840,000.40 is: 71,760,000.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,343,885.20 : 72,515,827.80 = 47,840,000.40 : x
  2. Step 2: Convert to fraction form
    48,343,885.20/72,515,827.80 = 47,840,000.40/x
  3. Step 3: Cross multiply
    48,343,885.20x = 72,515,827.80 × 47,840,000.40
  4. Step 4: Simplify right side
    48,343,885.20x = 3,469,157,230,958,331
  5. Step 5: Solve for x
    x = 3,469,157,230,958,331/48,343,885.20
  6. Step 6: Final answer
    x = 71,760,000.60

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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.