Home / 61,790,787.20-92,686,180.80-47,486,057.60

Finding the Fourth Proportional to 61,790,787.20, 92,686,180.80 and 47,486,057.60

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Solution

The fourth proportional to 61,790,787.20, 92,686,180.80 and 47,486,057.60 is: 71,229,086.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,790,787.20 : 92,686,180.80 = 47,486,057.60 : x
  2. Step 2: Convert to fraction form
    61,790,787.20/92,686,180.80 = 47,486,057.60/x
  3. Step 3: Cross multiply
    61,790,787.20x = 92,686,180.80 × 47,486,057.60
  4. Step 4: Simplify right side
    61,790,787.20x = 4,401,301,320,192,814
  5. Step 5: Solve for x
    x = 4,401,301,320,192,814/61,790,787.20
  6. Step 6: Final answer
    x = 71,229,086.40

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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.