Home / 138,144,210.08-207,199,810.56-107,469,406.40

Finding the Fourth Proportional to 138,144,210.08, 207,199,810.56 and 107,469,406.40

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Solution

The fourth proportional to 138,144,210.08, 207,199,810.56 and 107,469,406.40 is: 161,191,269.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,144,210.08 : 207,199,810.56 = 107,469,406.40 : x
  2. Step 2: Convert to fraction form
    138,144,210.08/207,199,810.56 = 107,469,406.40/x
  3. Step 3: Cross multiply
    138,144,210.08x = 207,199,810.56 × 107,469,406.40
  4. Step 4: Simplify right side
    138,144,210.08x = 22,267,640,647,075,652
  5. Step 5: Solve for x
    x = 22,267,640,647,075,652/138,144,210.08
  6. Step 6: Final answer
    x = 161,191,269.86

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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.