Home / 165,074,667.60-247,024,135.80-143,743,544.40

Finding the Fourth Proportional to 165,074,667.60, 247,024,135.80 and 143,743,544.40

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Solution

The fourth proportional to 165,074,667.60, 247,024,135.80 and 143,743,544.40 is: 215,103,415.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,074,667.60 : 247,024,135.80 = 143,743,544.40 : x
  2. Step 2: Convert to fraction form
    165,074,667.60/247,024,135.80 = 143,743,544.40/x
  3. Step 3: Cross multiply
    165,074,667.60x = 247,024,135.80 × 143,743,544.40
  4. Step 4: Simplify right side
    165,074,667.60x = 35,508,124,832,238,932
  5. Step 5: Solve for x
    x = 35,508,124,832,238,932/165,074,667.60
  6. Step 6: Final answer
    x = 215,103,415.61

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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.