Home / 61,206,321.60-91,788,049.80-18,064,101.60

Finding the Fourth Proportional to 61,206,321.60, 91,788,049.80 and 18,064,101.60

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Solution

The fourth proportional to 61,206,321.60, 91,788,049.80 and 18,064,101.60 is: 27,089,826.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,206,321.60 : 91,788,049.80 = 18,064,101.60 : x
  2. Step 2: Convert to fraction form
    61,206,321.60/91,788,049.80 = 18,064,101.60/x
  3. Step 3: Cross multiply
    61,206,321.60x = 91,788,049.80 × 18,064,101.60
  4. Step 4: Simplify right side
    61,206,321.60x = 1,658,068,657,253,059.75
  5. Step 5: Solve for x
    x = 1,658,068,657,253,059.75/61,206,321.60
  6. Step 6: Final answer
    x = 27,089,826.90

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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.