Home / 113,013,473-155,949,046.47-68,376,076.04

Finding the Fourth Proportional to 113,013,473, 155,949,046.47 and 68,376,076.04

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Solution

The fourth proportional to 113,013,473, 155,949,046.47 and 68,376,076.04 is: 94,353,209.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,013,473 : 155,949,046.47 = 68,376,076.04 : x
  2. Step 2: Convert to fraction form
    113,013,473/155,949,046.47 = 68,376,076.04/x
  3. Step 3: Cross multiply
    113,013,473x = 155,949,046.47 × 68,376,076.04
  4. Step 4: Simplify right side
    113,013,473x = 10,663,183,859,798,214
  5. Step 5: Solve for x
    x = 10,663,183,859,798,214/113,013,473
  6. Step 6: Final answer
    x = 94,353,209.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.