Home / 225,247,834.12-310,842,010.98-122,231,386.12

Finding the Fourth Proportional to 225,247,834.12, 310,842,010.98 and 122,231,386.12

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Solution

The fourth proportional to 225,247,834.12, 310,842,010.98 and 122,231,386.12 is: 168,679,312.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,247,834.12 : 310,842,010.98 = 122,231,386.12 : x
  2. Step 2: Convert to fraction form
    225,247,834.12/310,842,010.98 = 122,231,386.12/x
  3. Step 3: Cross multiply
    225,247,834.12x = 310,842,010.98 × 122,231,386.12
  4. Step 4: Simplify right side
    225,247,834.12x = 37,994,649,866,413,664
  5. Step 5: Solve for x
    x = 37,994,649,866,413,664/225,247,834.12
  6. Step 6: Final answer
    x = 168,679,312.79

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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.