Home / 165,075,415.10-247,025,257.05-143,744,291.90

Finding the Fourth Proportional to 165,075,415.10, 247,025,257.05 and 143,744,291.90

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Solution

The fourth proportional to 165,075,415.10, 247,025,257.05 and 143,744,291.90 is: 215,104,536.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,075,415.10 : 247,025,257.05 = 143,744,291.90 : x
  2. Step 2: Convert to fraction form
    165,075,415.10/247,025,257.05 = 143,744,291.90/x
  3. Step 3: Cross multiply
    165,075,415.10x = 247,025,257.05 × 143,744,291.90
  4. Step 4: Simplify right side
    165,075,415.10x = 35,508,470,656,067,736
  5. Step 5: Solve for x
    x = 35,508,470,656,067,736/165,075,415.10
  6. Step 6: Final answer
    x = 215,104,536.52

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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.