Home / 213,248,911.06-319,991,398.98-104,074,986.43

Finding the Fourth Proportional to 213,248,911.06, 319,991,398.98 and 104,074,986.43

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Solution

The fourth proportional to 213,248,911.06, 319,991,398.98 and 104,074,986.43 is: 156,170,084.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,248,911.06 : 319,991,398.98 = 104,074,986.43 : x
  2. Step 2: Convert to fraction form
    213,248,911.06/319,991,398.98 = 104,074,986.43/x
  3. Step 3: Cross multiply
    213,248,911.06x = 319,991,398.98 × 104,074,986.43
  4. Step 4: Simplify right side
    213,248,911.06x = 33,303,100,506,560,220
  5. Step 5: Solve for x
    x = 33,303,100,506,560,220/213,248,911.06
  6. Step 6: Final answer
    x = 156,170,084.72

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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.