Home / 200,937,764.61-300,967,208.15-142,468,211.88

Finding the Fourth Proportional to 200,937,764.61, 300,967,208.15 and 142,468,211.88

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Solution

The fourth proportional to 200,937,764.61, 300,967,208.15 and 142,468,211.88 is: 213,390,748.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,937,764.61 : 300,967,208.15 = 142,468,211.88 : x
  2. Step 2: Convert to fraction form
    200,937,764.61/300,967,208.15 = 142,468,211.88/x
  3. Step 3: Cross multiply
    200,937,764.61x = 300,967,208.15 × 142,468,211.88
  4. Step 4: Simplify right side
    200,937,764.61x = 42,878,259,978,933,920
  5. Step 5: Solve for x
    x = 42,878,259,978,933,920/200,937,764.61
  6. Step 6: Final answer
    x = 213,390,748.43

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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.