Home / 259,376,450.58-389,064,196.17-84,499,275.78

Finding the Fourth Proportional to 259,376,450.58, 389,064,196.17 and 84,499,275.78

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Solution

The fourth proportional to 259,376,450.58, 389,064,196.17 and 84,499,275.78 is: 126,748,757.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,376,450.58 : 389,064,196.17 = 84,499,275.78 : x
  2. Step 2: Convert to fraction form
    259,376,450.58/389,064,196.17 = 84,499,275.78/x
  3. Step 3: Cross multiply
    259,376,450.58x = 389,064,196.17 × 84,499,275.78
  4. Step 4: Simplify right side
    259,376,450.58x = 32,875,642,808,292,852
  5. Step 5: Solve for x
    x = 32,875,642,808,292,852/259,376,450.58
  6. Step 6: Final answer
    x = 126,748,757.39

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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.