Home / 45,928,612.50-68,868,999.05-21,661,023.23

Finding the Fourth Proportional to 45,928,612.50, 68,868,999.05 and 21,661,023.23

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Solution

The fourth proportional to 45,928,612.50, 68,868,999.05 and 21,661,023.23 is: 32,480,253.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,928,612.50 : 68,868,999.05 = 21,661,023.23 : x
  2. Step 2: Convert to fraction form
    45,928,612.50/68,868,999.05 = 21,661,023.23/x
  3. Step 3: Cross multiply
    45,928,612.50x = 68,868,999.05 × 21,661,023.23
  4. Step 4: Simplify right side
    45,928,612.50x = 1,491,772,988,312,765.50
  5. Step 5: Solve for x
    x = 1,491,772,988,312,765.50/45,928,612.50
  6. Step 6: Final answer
    x = 32,480,253.75

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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.