Home / 220,161,253.40-329,958,444.90-168,788,623.40

Finding the Fourth Proportional to 220,161,253.40, 329,958,444.90 and 168,788,623.40

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Solution

The fourth proportional to 220,161,253.40, 329,958,444.90 and 168,788,623.40 is: 252,965,636.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,161,253.40 : 329,958,444.90 = 168,788,623.40 : x
  2. Step 2: Convert to fraction form
    220,161,253.40/329,958,444.90 = 168,788,623.40/x
  3. Step 3: Cross multiply
    220,161,253.40x = 329,958,444.90 × 168,788,623.40
  4. Step 4: Simplify right side
    220,161,253.40x = 55,693,231,693,875,752
  5. Step 5: Solve for x
    x = 55,693,231,693,875,752/220,161,253.40
  6. Step 6: Final answer
    x = 252,965,636.93

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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.