Home / 321,248,229.53-443,458,162.46-216,967,548.02

Finding the Fourth Proportional to 321,248,229.53, 443,458,162.46 and 216,967,548.02

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Solution

The fourth proportional to 321,248,229.53, 443,458,162.46 and 216,967,548.02 is: 299,506,802.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,248,229.53 : 443,458,162.46 = 216,967,548.02 : x
  2. Step 2: Convert to fraction form
    321,248,229.53/443,458,162.46 = 216,967,548.02/x
  3. Step 3: Cross multiply
    321,248,229.53x = 443,458,162.46 × 216,967,548.02
  4. Step 4: Simplify right side
    321,248,229.53x = 96,216,030,157,316,176
  5. Step 5: Solve for x
    x = 96,216,030,157,316,176/321,248,229.53
  6. Step 6: Final answer
    x = 299,506,802.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.