Home / 99,640,919.10-149,461,378.65-61,177,712.70

Finding the Fourth Proportional to 99,640,919.10, 149,461,378.65 and 61,177,712.70

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Solution

The fourth proportional to 99,640,919.10, 149,461,378.65 and 61,177,712.70 is: 91,766,569.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,640,919.10 : 149,461,378.65 = 61,177,712.70 : x
  2. Step 2: Convert to fraction form
    99,640,919.10/149,461,378.65 = 61,177,712.70/x
  3. Step 3: Cross multiply
    99,640,919.10x = 149,461,378.65 × 61,177,712.70
  4. Step 4: Simplify right side
    99,640,919.10x = 9,143,705,282,795,614
  5. Step 5: Solve for x
    x = 9,143,705,282,795,614/99,640,919.10
  6. Step 6: Final answer
    x = 91,766,569.05

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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.