Home / 222,346,749-306,838,542.70-123,233,895.15

Finding the Fourth Proportional to 222,346,749, 306,838,542.70 and 123,233,895.15

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Solution

The fourth proportional to 222,346,749, 306,838,542.70 and 123,233,895.15 is: 170,062,791.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,346,749 : 306,838,542.70 = 123,233,895.15 : x
  2. Step 2: Convert to fraction form
    222,346,749/306,838,542.70 = 123,233,895.15/x
  3. Step 3: Cross multiply
    222,346,749x = 306,838,542.70 × 123,233,895.15
  4. Step 4: Simplify right side
    222,346,749x = 37,812,908,799,070,600
  5. Step 5: Solve for x
    x = 37,812,908,799,070,600/222,346,749
  6. Step 6: Final answer
    x = 170,062,791.42

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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.