Home / 45,873,143.40-68,809,715.10-40,918,621.80

Finding the Fourth Proportional to 45,873,143.40, 68,809,715.10 and 40,918,621.80

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Solution

The fourth proportional to 45,873,143.40, 68,809,715.10 and 40,918,621.80 is: 61,377,932.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,873,143.40 : 68,809,715.10 = 40,918,621.80 : x
  2. Step 2: Convert to fraction form
    45,873,143.40/68,809,715.10 = 40,918,621.80/x
  3. Step 3: Cross multiply
    45,873,143.40x = 68,809,715.10 × 40,918,621.80
  4. Step 4: Simplify right side
    45,873,143.40x = 2,815,598,708,342,648.50
  5. Step 5: Solve for x
    x = 2,815,598,708,342,648.50/45,873,143.40
  6. Step 6: Final answer
    x = 61,377,932.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.