Home / 61,245,156.40-91,867,734.60-54,548,999.80

Finding the Fourth Proportional to 61,245,156.40, 91,867,734.60 and 54,548,999.80

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Solution

The fourth proportional to 61,245,156.40, 91,867,734.60 and 54,548,999.80 is: 81,823,499.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,245,156.40 : 91,867,734.60 = 54,548,999.80 : x
  2. Step 2: Convert to fraction form
    61,245,156.40/91,867,734.60 = 54,548,999.80/x
  3. Step 3: Cross multiply
    61,245,156.40x = 91,867,734.60 × 54,548,999.80
  4. Step 4: Simplify right side
    61,245,156.40x = 5,011,293,036,321,852
  5. Step 5: Solve for x
    x = 5,011,293,036,321,852/61,245,156.40
  6. Step 6: Final answer
    x = 81,823,499.70

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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.