Home / 278,818,417.10-418,227,625.65-97,005,169.10

Finding the Fourth Proportional to 278,818,417.10, 418,227,625.65 and 97,005,169.10

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Solution

The fourth proportional to 278,818,417.10, 418,227,625.65 and 97,005,169.10 is: 145,507,753.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,818,417.10 : 418,227,625.65 = 97,005,169.10 : x
  2. Step 2: Convert to fraction form
    278,818,417.10/418,227,625.65 = 97,005,169.10/x
  3. Step 3: Cross multiply
    278,818,417.10x = 418,227,625.65 × 97,005,169.10
  4. Step 4: Simplify right side
    278,818,417.10x = 40,570,241,548,469,744
  5. Step 5: Solve for x
    x = 40,570,241,548,469,744/278,818,417.10
  6. Step 6: Final answer
    x = 145,507,753.65

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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.