Home / 102,153,410.20-140,974,696.92-55,746,655.30

Finding the Fourth Proportional to 102,153,410.20, 140,974,696.92 and 55,746,655.30

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Solution

The fourth proportional to 102,153,410.20, 140,974,696.92 and 55,746,655.30 is: 76,932,016.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,153,410.20 : 140,974,696.92 = 55,746,655.30 : x
  2. Step 2: Convert to fraction form
    102,153,410.20/140,974,696.92 = 55,746,655.30/x
  3. Step 3: Cross multiply
    102,153,410.20x = 140,974,696.92 × 55,746,655.30
  4. Step 4: Simplify right side
    102,153,410.20x = 7,858,867,835,221,211
  5. Step 5: Solve for x
    x = 7,858,867,835,221,211/102,153,410.20
  6. Step 6: Final answer
    x = 76,932,016.46

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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.