Home / 238,231,295.28-328,675,467.60-155,773,347.12

Finding the Fourth Proportional to 238,231,295.28, 328,675,467.60 and 155,773,347.12

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Solution

The fourth proportional to 238,231,295.28, 328,675,467.60 and 155,773,347.12 is: 214,912,476.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,231,295.28 : 328,675,467.60 = 155,773,347.12 : x
  2. Step 2: Convert to fraction form
    238,231,295.28/328,675,467.60 = 155,773,347.12/x
  3. Step 3: Cross multiply
    238,231,295.28x = 328,675,467.60 × 155,773,347.12
  4. Step 4: Simplify right side
    238,231,295.28x = 51,198,877,704,283,120
  5. Step 5: Solve for x
    x = 51,198,877,704,283,120/238,231,295.28
  6. Step 6: Final answer
    x = 214,912,476.73

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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.