Home / 124,981,738.26-172,476,579.30-72,057,398.94

Finding the Fourth Proportional to 124,981,738.26, 172,476,579.30 and 72,057,398.94

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Solution

The fourth proportional to 124,981,738.26, 172,476,579.30 and 72,057,398.94 is: 99,440,237.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,981,738.26 : 172,476,579.30 = 72,057,398.94 : x
  2. Step 2: Convert to fraction form
    124,981,738.26/172,476,579.30 = 72,057,398.94/x
  3. Step 3: Cross multiply
    124,981,738.26x = 172,476,579.30 × 72,057,398.94
  4. Step 4: Simplify right side
    124,981,738.26x = 12,428,213,682,426,646
  5. Step 5: Solve for x
    x = 12,428,213,682,426,646/124,981,738.26
  6. Step 6: Final answer
    x = 99,440,237.07

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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.