Home / 259,678,347.73-389,541,467.00-84,802,298.25

Finding the Fourth Proportional to 259,678,347.73, 389,541,467.00 and 84,802,298.25

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Solution

The fourth proportional to 259,678,347.73, 389,541,467.00 and 84,802,298.25 is: 127,211,267.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,678,347.73 : 389,541,467.00 = 84,802,298.25 : x
  2. Step 2: Convert to fraction form
    259,678,347.73/389,541,467.00 = 84,802,298.25/x
  3. Step 3: Cross multiply
    259,678,347.73x = 389,541,467.00 × 84,802,298.25
  4. Step 4: Simplify right side
    259,678,347.73x = 33,034,011,666,471,880
  5. Step 5: Solve for x
    x = 33,034,011,666,471,880/259,678,347.73
  6. Step 6: Final answer
    x = 127,211,267.15

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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.