Home / 243,069,930.06-364,642,869.30-79,269,589.86

Finding the Fourth Proportional to 243,069,930.06, 364,642,869.30 and 79,269,589.86

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Solution

The fourth proportional to 243,069,930.06, 364,642,869.30 and 79,269,589.86 is: 118,916,768.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,069,930.06 : 364,642,869.30 = 79,269,589.86 : x
  2. Step 2: Convert to fraction form
    243,069,930.06/364,642,869.30 = 79,269,589.86/x
  3. Step 3: Cross multiply
    243,069,930.06x = 364,642,869.30 × 79,269,589.86
  4. Step 4: Simplify right side
    243,069,930.06x = 28,905,090,694,784,588
  5. Step 5: Solve for x
    x = 28,905,090,694,784,588/243,069,930.06
  6. Step 6: Final answer
    x = 118,916,768.88

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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.