Home / 321,565,667.19-443,760,839.60-180,417,402.69

Finding the Fourth Proportional to 321,565,667.19, 443,760,839.60 and 180,417,402.69

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Solution

The fourth proportional to 321,565,667.19, 443,760,839.60 and 180,417,402.69 is: 248,976,138.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,565,667.19 : 443,760,839.60 = 180,417,402.69 : x
  2. Step 2: Convert to fraction form
    321,565,667.19/443,760,839.60 = 180,417,402.69/x
  3. Step 3: Cross multiply
    321,565,667.19x = 443,760,839.60 × 180,417,402.69
  4. Step 4: Simplify right side
    321,565,667.19x = 80,062,178,095,263,616
  5. Step 5: Solve for x
    x = 80,062,178,095,263,616/321,565,667.19
  6. Step 6: Final answer
    x = 248,976,138.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.