Home / 161,504,115.40-242,287,665.90-69,387,675.40

Finding the Fourth Proportional to 161,504,115.40, 242,287,665.90 and 69,387,675.40

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Solution

The fourth proportional to 161,504,115.40, 242,287,665.90 and 69,387,675.40 is: 104,095,043.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,504,115.40 : 242,287,665.90 = 69,387,675.40 : x
  2. Step 2: Convert to fraction form
    161,504,115.40/242,287,665.90 = 69,387,675.40/x
  3. Step 3: Cross multiply
    161,504,115.40x = 242,287,665.90 × 69,387,675.40
  4. Step 4: Simplify right side
    161,504,115.40x = 16,811,777,914,892,850
  5. Step 5: Solve for x
    x = 16,811,777,914,892,850/161,504,115.40
  6. Step 6: Final answer
    x = 104,095,043.48

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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.