Home / 45,538,850.80-68,308,276.20-13,191,808.60

Finding the Fourth Proportional to 45,538,850.80, 68,308,276.20 and 13,191,808.60

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Solution

The fourth proportional to 45,538,850.80, 68,308,276.20 and 13,191,808.60 is: 19,787,712.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,538,850.80 : 68,308,276.20 = 13,191,808.60 : x
  2. Step 2: Convert to fraction form
    45,538,850.80/68,308,276.20 = 13,191,808.60/x
  3. Step 3: Cross multiply
    45,538,850.80x = 68,308,276.20 × 13,191,808.60
  4. Step 4: Simplify right side
    45,538,850.80x = 901,109,705,426,335.38
  5. Step 5: Solve for x
    x = 901,109,705,426,335.38/45,538,850.80
  6. Step 6: Final answer
    x = 19,787,712.90

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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.