Home / 99,513,226.80-149,336,195.40-45,632,804.40

Finding the Fourth Proportional to 99,513,226.80, 149,336,195.40 and 45,632,804.40

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Solution

The fourth proportional to 99,513,226.80, 149,336,195.40 and 45,632,804.40 is: 68,479,634.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,513,226.80 : 149,336,195.40 = 45,632,804.40 : x
  2. Step 2: Convert to fraction form
    99,513,226.80/149,336,195.40 = 45,632,804.40/x
  3. Step 3: Cross multiply
    99,513,226.80x = 149,336,195.40 × 45,632,804.40
  4. Step 4: Simplify right side
    99,513,226.80x = 6,814,629,394,528,380
  5. Step 5: Solve for x
    x = 6,814,629,394,528,380/99,513,226.80
  6. Step 6: Final answer
    x = 68,479,634.45

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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.