Home / 112,432,401.60-168,648,602.40-54,961,540.80

Finding the Fourth Proportional to 112,432,401.60, 168,648,602.40 and 54,961,540.80

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Solution

The fourth proportional to 112,432,401.60, 168,648,602.40 and 54,961,540.80 is: 82,442,311.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,432,401.60 : 168,648,602.40 = 54,961,540.80 : x
  2. Step 2: Convert to fraction form
    112,432,401.60/168,648,602.40 = 54,961,540.80/x
  3. Step 3: Cross multiply
    112,432,401.60x = 168,648,602.40 × 54,961,540.80
  4. Step 4: Simplify right side
    112,432,401.60x = 9,269,187,041,670,578
  5. Step 5: Solve for x
    x = 9,269,187,041,670,578/112,432,401.60
  6. Step 6: Final answer
    x = 82,442,311.20

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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.