Home / 278,490,566.71-384,327,353.85-166,999,559.32

Finding the Fourth Proportional to 278,490,566.71, 384,327,353.85 and 166,999,559.32

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Solution

The fourth proportional to 278,490,566.71, 384,327,353.85 and 166,999,559.32 is: 230,465,611.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,490,566.71 : 384,327,353.85 = 166,999,559.32 : x
  2. Step 2: Convert to fraction form
    278,490,566.71/384,327,353.85 = 166,999,559.32/x
  3. Step 3: Cross multiply
    278,490,566.71x = 384,327,353.85 × 166,999,559.32
  4. Step 4: Simplify right side
    278,490,566.71x = 64,182,498,727,571,704
  5. Step 5: Solve for x
    x = 64,182,498,727,571,704/278,490,566.71
  6. Step 6: Final answer
    x = 230,465,611.41

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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.