Home / 165,075,389.10-247,025,218.05-143,744,265.90

Finding the Fourth Proportional to 165,075,389.10, 247,025,218.05 and 143,744,265.90

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Solution

The fourth proportional to 165,075,389.10, 247,025,218.05 and 143,744,265.90 is: 215,104,497.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,075,389.10 : 247,025,218.05 = 143,744,265.90 : x
  2. Step 2: Convert to fraction form
    165,075,389.10/247,025,218.05 = 143,744,265.90/x
  3. Step 3: Cross multiply
    165,075,389.10x = 247,025,218.05 × 143,744,265.90
  4. Step 4: Simplify right side
    165,075,389.10x = 35,508,458,627,384,684
  5. Step 5: Solve for x
    x = 35,508,458,627,384,684/165,075,389.10
  6. Step 6: Final answer
    x = 215,104,497.53

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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.