Home / 102,153,414.65-140,974,703.04-55,746,659.75

Finding the Fourth Proportional to 102,153,414.65, 140,974,703.04 and 55,746,659.75

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Solution

The fourth proportional to 102,153,414.65, 140,974,703.04 and 55,746,659.75 is: 76,932,022.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,153,414.65 : 140,974,703.04 = 55,746,659.75 : x
  2. Step 2: Convert to fraction form
    102,153,414.65/140,974,703.04 = 55,746,659.75/x
  3. Step 3: Cross multiply
    102,153,414.65x = 140,974,703.04 × 55,746,659.75
  4. Step 4: Simplify right side
    102,153,414.65x = 7,858,868,803,023,296
  5. Step 5: Solve for x
    x = 7,858,868,803,023,296/102,153,414.65
  6. Step 6: Final answer
    x = 76,932,022.59

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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.