Home / 99,747,341.30-137,575,581.39-85,832,015.56

Finding the Fourth Proportional to 99,747,341.30, 137,575,581.39 and 85,832,015.56

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Solution

The fourth proportional to 99,747,341.30, 137,575,581.39 and 85,832,015.56 is: 118,382,999.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,747,341.30 : 137,575,581.39 = 85,832,015.56 : x
  2. Step 2: Convert to fraction form
    99,747,341.30/137,575,581.39 = 85,832,015.56/x
  3. Step 3: Cross multiply
    99,747,341.30x = 137,575,581.39 × 85,832,015.56
  4. Step 4: Simplify right side
    99,747,341.30x = 11,808,389,442,198,586
  5. Step 5: Solve for x
    x = 11,808,389,442,198,586/99,747,341.30
  6. Step 6: Final answer
    x = 118,382,999.37

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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.