Home / 238,281,051.26-328,766,781.75-139,104,808.67

Finding the Fourth Proportional to 238,281,051.26, 328,766,781.75 and 139,104,808.67

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Solution

The fourth proportional to 238,281,051.26, 328,766,781.75 and 139,104,808.67 is: 191,928,984.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,281,051.26 : 328,766,781.75 = 139,104,808.67 : x
  2. Step 2: Convert to fraction form
    238,281,051.26/328,766,781.75 = 139,104,808.67/x
  3. Step 3: Cross multiply
    238,281,051.26x = 328,766,781.75 × 139,104,808.67
  4. Step 4: Simplify right side
    238,281,051.26x = 45,733,040,270,741,560
  5. Step 5: Solve for x
    x = 45,733,040,270,741,560/238,281,051.26
  6. Step 6: Final answer
    x = 191,928,984.83

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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.