Home / 238,608,109.45-329,274,030.01-138,140,783.42

Finding the Fourth Proportional to 238,608,109.45, 329,274,030.01 and 138,140,783.42

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Solution

The fourth proportional to 238,608,109.45, 329,274,030.01 and 138,140,783.42 is: 190,631,293.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,608,109.45 : 329,274,030.01 = 138,140,783.42 : x
  2. Step 2: Convert to fraction form
    238,608,109.45/329,274,030.01 = 138,140,783.42/x
  3. Step 3: Cross multiply
    238,608,109.45x = 329,274,030.01 × 138,140,783.42
  4. Step 4: Simplify right side
    238,608,109.45x = 45,486,172,463,795,616
  5. Step 5: Solve for x
    x = 45,486,172,463,795,616/238,608,109.45
  6. Step 6: Final answer
    x = 190,631,293.16

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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.