Home / 137,867,987.70-206,562,833.10-89,320,852.35

Finding the Fourth Proportional to 137,867,987.70, 206,562,833.10 and 89,320,852.35

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Solution

The fourth proportional to 137,867,987.70, 206,562,833.10 and 89,320,852.35 is: 133,826,340.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,867,987.70 : 206,562,833.10 = 89,320,852.35 : x
  2. Step 2: Convert to fraction form
    137,867,987.70/206,562,833.10 = 89,320,852.35/x
  3. Step 3: Cross multiply
    137,867,987.70x = 206,562,833.10 × 89,320,852.35
  4. Step 4: Simplify right side
    137,867,987.70x = 18,450,368,316,322,792
  5. Step 5: Solve for x
    x = 18,450,368,316,322,792/137,867,987.70
  6. Step 6: Final answer
    x = 133,826,340.87

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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.