Home / 113,456,219.12-170,055,233.40-69,042,548.20

Finding the Fourth Proportional to 113,456,219.12, 170,055,233.40 and 69,042,548.20

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Solution

The fourth proportional to 113,456,219.12, 170,055,233.40 and 69,042,548.20 is: 103,485,262.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,456,219.12 : 170,055,233.40 = 69,042,548.20 : x
  2. Step 2: Convert to fraction form
    113,456,219.12/170,055,233.40 = 69,042,548.20/x
  3. Step 3: Cross multiply
    113,456,219.12x = 170,055,233.40 × 69,042,548.20
  4. Step 4: Simplify right side
    113,456,219.12x = 11,741,046,648,681,750
  5. Step 5: Solve for x
    x = 11,741,046,648,681,750/113,456,219.12
  6. Step 6: Final answer
    x = 103,485,262.77

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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.