Home / 80,863,697.29-111,645,767.40-47,834,557.12

Finding the Fourth Proportional to 80,863,697.29, 111,645,767.40 and 47,834,557.12

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Solution

The fourth proportional to 80,863,697.29, 111,645,767.40 and 47,834,557.12 is: 66,043,552.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,863,697.29 : 111,645,767.40 = 47,834,557.12 : x
  2. Step 2: Convert to fraction form
    80,863,697.29/111,645,767.40 = 47,834,557.12/x
  3. Step 3: Cross multiply
    80,863,697.29x = 111,645,767.40 × 47,834,557.12
  4. Step 4: Simplify right side
    80,863,697.29x = 5,340,525,837,901,534
  5. Step 5: Solve for x
    x = 5,340,525,837,901,534/80,863,697.29
  6. Step 6: Final answer
    x = 66,043,552.51

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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.