Home / 137,831,629.70-206,747,444.55-89,045,345.90

Finding the Fourth Proportional to 137,831,629.70, 206,747,444.55 and 89,045,345.90

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Solution

The fourth proportional to 137,831,629.70, 206,747,444.55 and 89,045,345.90 is: 133,568,018.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,831,629.70 : 206,747,444.55 = 89,045,345.90 : x
  2. Step 2: Convert to fraction form
    137,831,629.70/206,747,444.55 = 89,045,345.90/x
  3. Step 3: Cross multiply
    137,831,629.70x = 206,747,444.55 × 89,045,345.90
  4. Step 4: Simplify right side
    137,831,629.70x = 18,409,897,713,895,824
  5. Step 5: Solve for x
    x = 18,409,897,713,895,824/137,831,629.70
  6. Step 6: Final answer
    x = 133,568,018.85

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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.