Home / 209,456,383.20-313,968,998.40-92,926,618

Finding the Fourth Proportional to 209,456,383.20, 313,968,998.40 and 92,926,618

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Solution

The fourth proportional to 209,456,383.20, 313,968,998.40 and 92,926,618 is: 139,294,285.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,456,383.20 : 313,968,998.40 = 92,926,618 : x
  2. Step 2: Convert to fraction form
    209,456,383.20/313,968,998.40 = 92,926,618/x
  3. Step 3: Cross multiply
    209,456,383.20x = 313,968,998.40 × 92,926,618
  4. Step 4: Simplify right side
    209,456,383.20x = 29,176,077,178,159,408
  5. Step 5: Solve for x
    x = 29,176,077,178,159,408/209,456,383.20
  6. Step 6: Final answer
    x = 139,294,285.20

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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.