Home / 98,687,766.70-148,045,646.85-30,523,350.70

Finding the Fourth Proportional to 98,687,766.70, 148,045,646.85 and 30,523,350.70

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Solution

The fourth proportional to 98,687,766.70, 148,045,646.85 and 30,523,350.70 is: 45,789,355.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,687,766.70 : 148,045,646.85 = 30,523,350.70 : x
  2. Step 2: Convert to fraction form
    98,687,766.70/148,045,646.85 = 30,523,350.70/x
  3. Step 3: Cross multiply
    98,687,766.70x = 148,045,646.85 × 30,523,350.70
  4. Step 4: Simplify right side
    98,687,766.70x = 4,518,849,198,410,900
  5. Step 5: Solve for x
    x = 4,518,849,198,410,900/98,687,766.70
  6. Step 6: Final answer
    x = 45,789,355.15

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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.