Home / 278,818,166.10-418,227,249.15-97,004,918.10

Finding the Fourth Proportional to 278,818,166.10, 418,227,249.15 and 97,004,918.10

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Solution

The fourth proportional to 278,818,166.10, 418,227,249.15 and 97,004,918.10 is: 145,507,377.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,818,166.10 : 418,227,249.15 = 97,004,918.10 : x
  2. Step 2: Convert to fraction form
    278,818,166.10/418,227,249.15 = 97,004,918.10/x
  3. Step 3: Cross multiply
    278,818,166.10x = 418,227,249.15 × 97,004,918.10
  4. Step 4: Simplify right side
    278,818,166.10x = 40,570,100,050,984,040
  5. Step 5: Solve for x
    x = 40,570,100,050,984,040/278,818,166.10
  6. Step 6: Final answer
    x = 145,507,377.15

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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.