Home / 259,376,456.83-389,064,205.53-84,499,282.03

Finding the Fourth Proportional to 259,376,456.83, 389,064,205.53 and 84,499,282.03

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Solution

The fourth proportional to 259,376,456.83, 389,064,205.53 and 84,499,282.03 is: 126,748,766.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,376,456.83 : 389,064,205.53 = 84,499,282.03 : x
  2. Step 2: Convert to fraction form
    259,376,456.83/389,064,205.53 = 84,499,282.03/x
  3. Step 3: Cross multiply
    259,376,456.83x = 389,064,205.53 × 84,499,282.03
  4. Step 4: Simplify right side
    259,376,456.83x = 32,875,646,030,857,352
  5. Step 5: Solve for x
    x = 32,875,646,030,857,352/259,376,456.83
  6. Step 6: Final answer
    x = 126,748,766.76

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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.