Home / 102,400,949.30-141,327,135.08-57,756,085.55

Finding the Fourth Proportional to 102,400,949.30, 141,327,135.08 and 57,756,085.55

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Solution

The fourth proportional to 102,400,949.30, 141,327,135.08 and 57,756,085.55 is: 79,711,195.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,400,949.30 : 141,327,135.08 = 57,756,085.55 : x
  2. Step 2: Convert to fraction form
    102,400,949.30/141,327,135.08 = 57,756,085.55/x
  3. Step 3: Cross multiply
    102,400,949.30x = 141,327,135.08 × 57,756,085.55
  4. Step 4: Simplify right side
    102,400,949.30x = 8,162,502,104,216,886
  5. Step 5: Solve for x
    x = 8,162,502,104,216,886/102,400,949.30
  6. Step 6: Final answer
    x = 79,711,195.65

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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.