Home / 54,197,980.60-81,270,070.80-19,653,003.40

Finding the Fourth Proportional to 54,197,980.60, 81,270,070.80 and 19,653,003.40

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Solution

The fourth proportional to 54,197,980.60, 81,270,070.80 and 19,653,003.40 is: 29,469,750.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,197,980.60 : 81,270,070.80 = 19,653,003.40 : x
  2. Step 2: Convert to fraction form
    54,197,980.60/81,270,070.80 = 19,653,003.40/x
  3. Step 3: Cross multiply
    54,197,980.60x = 81,270,070.80 × 19,653,003.40
  4. Step 4: Simplify right side
    54,197,980.60x = 1,597,200,977,750,640.50
  5. Step 5: Solve for x
    x = 1,597,200,977,750,640.50/54,197,980.60
  6. Step 6: Final answer
    x = 29,469,750.72

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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.