Home / 68,627,794.40-102,941,691.60-41,418,015.20

Finding the Fourth Proportional to 68,627,794.40, 102,941,691.60 and 41,418,015.20

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Solution

The fourth proportional to 68,627,794.40, 102,941,691.60 and 41,418,015.20 is: 62,127,022.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,627,794.40 : 102,941,691.60 = 41,418,015.20 : x
  2. Step 2: Convert to fraction form
    68,627,794.40/102,941,691.60 = 41,418,015.20/x
  3. Step 3: Cross multiply
    68,627,794.40x = 102,941,691.60 × 41,418,015.20
  4. Step 4: Simplify right side
    68,627,794.40x = 4,263,640,547,402,512.50
  5. Step 5: Solve for x
    x = 4,263,640,547,402,512.50/68,627,794.40
  6. Step 6: Final answer
    x = 62,127,022.80

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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.