Home / 172,460,987.07-258,691,491.86-137,754,895.29

Finding the Fourth Proportional to 172,460,987.07, 258,691,491.86 and 137,754,895.29

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Solution

The fourth proportional to 172,460,987.07, 258,691,491.86 and 137,754,895.29 is: 206,632,351.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,460,987.07 : 258,691,491.86 = 137,754,895.29 : x
  2. Step 2: Convert to fraction form
    172,460,987.07/258,691,491.86 = 137,754,895.29/x
  3. Step 3: Cross multiply
    172,460,987.07x = 258,691,491.86 × 137,754,895.29
  4. Step 4: Simplify right side
    172,460,987.07x = 35,636,019,371,929,316
  5. Step 5: Solve for x
    x = 35,636,019,371,929,316/172,460,987.07
  6. Step 6: Final answer
    x = 206,632,351.91

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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.