Home / 159,731,501.76-238,966,838.68-120,981,579.66

Finding the Fourth Proportional to 159,731,501.76, 238,966,838.68 and 120,981,579.66

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Solution

The fourth proportional to 159,731,501.76, 238,966,838.68 and 120,981,579.66 is: 180,994,890.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,731,501.76 : 238,966,838.68 = 120,981,579.66 : x
  2. Step 2: Convert to fraction form
    159,731,501.76/238,966,838.68 = 120,981,579.66/x
  3. Step 3: Cross multiply
    159,731,501.76x = 238,966,838.68 × 120,981,579.66
  4. Step 4: Simplify right side
    159,731,501.76x = 28,910,585,629,862,788
  5. Step 5: Solve for x
    x = 28,910,585,629,862,788/159,731,501.76
  6. Step 6: Final answer
    x = 180,994,890.25

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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.