Home / 238,608,241.68-329,274,210.72-138,140,915.04

Finding the Fourth Proportional to 238,608,241.68, 329,274,210.72 and 138,140,915.04

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Solution

The fourth proportional to 238,608,241.68, 329,274,210.72 and 138,140,915.04 is: 190,631,473.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,608,241.68 : 329,274,210.72 = 138,140,915.04 : x
  2. Step 2: Convert to fraction form
    238,608,241.68/329,274,210.72 = 138,140,915.04/x
  3. Step 3: Cross multiply
    238,608,241.68x = 329,274,210.72 × 138,140,915.04
  4. Step 4: Simplify right side
    238,608,241.68x = 45,486,240,767,934,576
  5. Step 5: Solve for x
    x = 45,486,240,767,934,576/238,608,241.68
  6. Step 6: Final answer
    x = 190,631,473.78

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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.