Home / 49,532,110.20-74,307,022.65-20,781,152.10

Finding the Fourth Proportional to 49,532,110.20, 74,307,022.65 and 20,781,152.10

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Solution

The fourth proportional to 49,532,110.20, 74,307,022.65 and 20,781,152.10 is: 31,175,444.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,532,110.20 : 74,307,022.65 = 20,781,152.10 : x
  2. Step 2: Convert to fraction form
    49,532,110.20/74,307,022.65 = 20,781,152.10/x
  3. Step 3: Cross multiply
    49,532,110.20x = 74,307,022.65 × 20,781,152.10
  4. Step 4: Simplify right side
    49,532,110.20x = 1,544,185,539,787,795.25
  5. Step 5: Solve for x
    x = 1,544,185,539,787,795.25/49,532,110.20
  6. Step 6: Final answer
    x = 31,175,444.24

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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.