Home / 137,831,628.70-206,747,443.05-89,045,344.90

Finding the Fourth Proportional to 137,831,628.70, 206,747,443.05 and 89,045,344.90

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Solution

The fourth proportional to 137,831,628.70, 206,747,443.05 and 89,045,344.90 is: 133,568,017.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,831,628.70 : 206,747,443.05 = 89,045,344.90 : x
  2. Step 2: Convert to fraction form
    137,831,628.70/206,747,443.05 = 89,045,344.90/x
  3. Step 3: Cross multiply
    137,831,628.70x = 206,747,443.05 × 89,045,344.90
  4. Step 4: Simplify right side
    137,831,628.70x = 18,409,897,373,580,360
  5. Step 5: Solve for x
    x = 18,409,897,373,580,360/137,831,628.70
  6. Step 6: Final answer
    x = 133,568,017.35

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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.