Home / 53,940,146.40-80,910,219.60-53,604,223.20

Finding the Fourth Proportional to 53,940,146.40, 80,910,219.60 and 53,604,223.20

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Solution

The fourth proportional to 53,940,146.40, 80,910,219.60 and 53,604,223.20 is: 80,406,334.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,940,146.40 : 80,910,219.60 = 53,604,223.20 : x
  2. Step 2: Convert to fraction form
    53,940,146.40/80,910,219.60 = 53,604,223.20/x
  3. Step 3: Cross multiply
    53,940,146.40x = 80,910,219.60 × 53,604,223.20
  4. Step 4: Simplify right side
    53,940,146.40x = 4,337,129,470,599,414.50
  5. Step 5: Solve for x
    x = 4,337,129,470,599,414.50/53,940,146.40
  6. Step 6: Final answer
    x = 80,406,334.80

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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.