Home / 159,269,088.67-219,673,998.07-120,112,515.79

Finding the Fourth Proportional to 159,269,088.67, 219,673,998.07 and 120,112,515.79

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Solution

The fourth proportional to 159,269,088.67, 219,673,998.07 and 120,112,515.79 is: 165,666,776.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,269,088.67 : 219,673,998.07 = 120,112,515.79 : x
  2. Step 2: Convert to fraction form
    159,269,088.67/219,673,998.07 = 120,112,515.79/x
  3. Step 3: Cross multiply
    159,269,088.67x = 219,673,998.07 × 120,112,515.79
  4. Step 4: Simplify right side
    159,269,088.67x = 26,385,596,561,835,304
  5. Step 5: Solve for x
    x = 26,385,596,561,835,304/159,269,088.67
  6. Step 6: Final answer
    x = 165,666,776.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.