Home / 243,111,052.50-335,525,270.13-138,665,181.30

Finding the Fourth Proportional to 243,111,052.50, 335,525,270.13 and 138,665,181.30

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Solution

The fourth proportional to 243,111,052.50, 335,525,270.13 and 138,665,181.30 is: 191,376,212.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,111,052.50 : 335,525,270.13 = 138,665,181.30 : x
  2. Step 2: Convert to fraction form
    243,111,052.50/335,525,270.13 = 138,665,181.30/x
  3. Step 3: Cross multiply
    243,111,052.50x = 335,525,270.13 × 138,665,181.30
  4. Step 4: Simplify right side
    243,111,052.50x = 46,525,672,413,307,928
  5. Step 5: Solve for x
    x = 46,525,672,413,307,928/243,111,052.50
  6. Step 6: Final answer
    x = 191,376,212.37

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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.