Home / 248,531,906.80-372,797,663.28-66,779,084.80

Finding the Fourth Proportional to 248,531,906.80, 372,797,663.28 and 66,779,084.80

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Solution

The fourth proportional to 248,531,906.80, 372,797,663.28 and 66,779,084.80 is: 100,168,574.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,531,906.80 : 372,797,663.28 = 66,779,084.80 : x
  2. Step 2: Convert to fraction form
    248,531,906.80/372,797,663.28 = 66,779,084.80/x
  3. Step 3: Cross multiply
    248,531,906.80x = 372,797,663.28 × 66,779,084.80
  4. Step 4: Simplify right side
    248,531,906.80x = 24,895,086,769,416,964
  5. Step 5: Solve for x
    x = 24,895,086,769,416,964/248,531,906.80
  6. Step 6: Final answer
    x = 100,168,574.29

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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.