Home / 99,793,125.20-149,689,687.80-48,707,915.60

Finding the Fourth Proportional to 99,793,125.20, 149,689,687.80 and 48,707,915.60

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Solution

The fourth proportional to 99,793,125.20, 149,689,687.80 and 48,707,915.60 is: 73,061,873.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,793,125.20 : 149,689,687.80 = 48,707,915.60 : x
  2. Step 2: Convert to fraction form
    99,793,125.20/149,689,687.80 = 48,707,915.60/x
  3. Step 3: Cross multiply
    99,793,125.20x = 149,689,687.80 × 48,707,915.60
  4. Step 4: Simplify right side
    99,793,125.20x = 7,291,072,679,552,750
  5. Step 5: Solve for x
    x = 7,291,072,679,552,750/99,793,125.20
  6. Step 6: Final answer
    x = 73,061,873.40

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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.