Home / 45,873,143.90-68,809,715.85-40,918,622.30

Finding the Fourth Proportional to 45,873,143.90, 68,809,715.85 and 40,918,622.30

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Solution

The fourth proportional to 45,873,143.90, 68,809,715.85 and 40,918,622.30 is: 61,377,933.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,873,143.90 : 68,809,715.85 = 40,918,622.30 : x
  2. Step 2: Convert to fraction form
    45,873,143.90/68,809,715.85 = 40,918,622.30/x
  3. Step 3: Cross multiply
    45,873,143.90x = 68,809,715.85 × 40,918,622.30
  4. Step 4: Simplify right side
    45,873,143.90x = 2,815,598,773,436,473
  5. Step 5: Solve for x
    x = 2,815,598,773,436,473/45,873,143.90
  6. Step 6: Final answer
    x = 61,377,933.45

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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.