Home / 221,884,564.20-332,872,241.12-76,299,218.25

Finding the Fourth Proportional to 221,884,564.20, 332,872,241.12 and 76,299,218.25

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Solution

The fourth proportional to 221,884,564.20, 332,872,241.12 and 76,299,218.25 is: 114,464,437.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,884,564.20 : 332,872,241.12 = 76,299,218.25 : x
  2. Step 2: Convert to fraction form
    221,884,564.20/332,872,241.12 = 76,299,218.25/x
  3. Step 3: Cross multiply
    221,884,564.20x = 332,872,241.12 × 76,299,218.25
  4. Step 4: Simplify right side
    221,884,564.20x = 25,397,891,774,581,504
  5. Step 5: Solve for x
    x = 25,397,891,774,581,504/221,884,564.20
  6. Step 6: Final answer
    x = 114,464,437.25

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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.