Home / 113,485,261.60-170,227,892.40-45,338,471.20

Finding the Fourth Proportional to 113,485,261.60, 170,227,892.40 and 45,338,471.20

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Solution

The fourth proportional to 113,485,261.60, 170,227,892.40 and 45,338,471.20 is: 68,007,706.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,485,261.60 : 170,227,892.40 = 45,338,471.20 : x
  2. Step 2: Convert to fraction form
    113,485,261.60/170,227,892.40 = 45,338,471.20/x
  3. Step 3: Cross multiply
    113,485,261.60x = 170,227,892.40 × 45,338,471.20
  4. Step 4: Simplify right side
    113,485,261.60x = 7,717,872,397,014,100
  5. Step 5: Solve for x
    x = 7,717,872,397,014,100/113,485,261.60
  6. Step 6: Final answer
    x = 68,007,706.80

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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.