Home / 99,792,956.20-149,689,434.30-48,707,746.60

Finding the Fourth Proportional to 99,792,956.20, 149,689,434.30 and 48,707,746.60

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Solution

The fourth proportional to 99,792,956.20, 149,689,434.30 and 48,707,746.60 is: 73,061,619.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,792,956.20 : 149,689,434.30 = 48,707,746.60 : x
  2. Step 2: Convert to fraction form
    99,792,956.20/149,689,434.30 = 48,707,746.60/x
  3. Step 3: Cross multiply
    99,792,956.20x = 149,689,434.30 × 48,707,746.60
  4. Step 4: Simplify right side
    99,792,956.20x = 7,291,035,034,581,749
  5. Step 5: Solve for x
    x = 7,291,035,034,581,749/99,792,956.20
  6. Step 6: Final answer
    x = 73,061,619.90

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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.