Home / 112,243,402.78-168,455,785.46-47,592,604.57

Finding the Fourth Proportional to 112,243,402.78, 168,455,785.46 and 47,592,604.57

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Solution

The fourth proportional to 112,243,402.78, 168,455,785.46 and 47,592,604.57 is: 71,427,356.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,243,402.78 : 168,455,785.46 = 47,592,604.57 : x
  2. Step 2: Convert to fraction form
    112,243,402.78/168,455,785.46 = 47,592,604.57/x
  3. Step 3: Cross multiply
    112,243,402.78x = 168,455,785.46 × 47,592,604.57
  4. Step 4: Simplify right side
    112,243,402.78x = 8,017,249,585,466,656
  5. Step 5: Solve for x
    x = 8,017,249,585,466,656/112,243,402.78
  6. Step 6: Final answer
    x = 71,427,356.86

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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.