Home / 54,234,910.40-81,353,027.80-15,897,199.74

Finding the Fourth Proportional to 54,234,910.40, 81,353,027.80 and 15,897,199.74

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Solution

The fourth proportional to 54,234,910.40, 81,353,027.80 and 15,897,199.74 is: 23,845,993.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,234,910.40 : 81,353,027.80 = 15,897,199.74 : x
  2. Step 2: Convert to fraction form
    54,234,910.40/81,353,027.80 = 15,897,199.74/x
  3. Step 3: Cross multiply
    54,234,910.40x = 81,353,027.80 × 15,897,199.74
  4. Step 4: Simplify right side
    54,234,910.40x = 1,293,285,332,390,372.75
  5. Step 5: Solve for x
    x = 1,293,285,332,390,372.75/54,234,910.40
  6. Step 6: Final answer
    x = 23,845,993.71

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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.