Home / 170,829,729.82-256,653,387.76-109,538,971

Finding the Fourth Proportional to 170,829,729.82, 256,653,387.76 and 109,538,971

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Solution

The fourth proportional to 170,829,729.82, 256,653,387.76 and 109,538,971 is: 164,570,581.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,829,729.82 : 256,653,387.76 = 109,538,971 : x
  2. Step 2: Convert to fraction form
    170,829,729.82/256,653,387.76 = 109,538,971/x
  3. Step 3: Cross multiply
    170,829,729.82x = 256,653,387.76 × 109,538,971
  4. Step 4: Simplify right side
    170,829,729.82x = 28,113,547,998,894,392
  5. Step 5: Solve for x
    x = 28,113,547,998,894,392/170,829,729.82
  6. Step 6: Final answer
    x = 164,570,581.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.