Home / 99,793,123.20-149,689,684.80-48,707,913.60

Finding the Fourth Proportional to 99,793,123.20, 149,689,684.80 and 48,707,913.60

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Solution

The fourth proportional to 99,793,123.20, 149,689,684.80 and 48,707,913.60 is: 73,061,870.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,793,123.20 : 149,689,684.80 = 48,707,913.60 : x
  2. Step 2: Convert to fraction form
    99,793,123.20/149,689,684.80 = 48,707,913.60/x
  3. Step 3: Cross multiply
    99,793,123.20x = 149,689,684.80 × 48,707,913.60
  4. Step 4: Simplify right side
    99,793,123.20x = 7,291,072,234,049,634
  5. Step 5: Solve for x
    x = 7,291,072,234,049,634/99,793,123.20
  6. Step 6: Final answer
    x = 73,061,870.40

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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.