Home / 129,736,377.10-179,036,083.80-73,233,018.97

Finding the Fourth Proportional to 129,736,377.10, 179,036,083.80 and 73,233,018.97

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Solution

The fourth proportional to 129,736,377.10, 179,036,083.80 and 73,233,018.97 is: 101,061,500.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,736,377.10 : 179,036,083.80 = 73,233,018.97 : x
  2. Step 2: Convert to fraction form
    129,736,377.10/179,036,083.80 = 73,233,018.97/x
  3. Step 3: Cross multiply
    129,736,377.10x = 179,036,083.80 × 73,233,018.97
  4. Step 4: Simplify right side
    129,736,377.10x = 13,111,352,921,239,910
  5. Step 5: Solve for x
    x = 13,111,352,921,239,910/129,736,377.10
  6. Step 6: Final answer
    x = 101,061,500.36

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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.