Home / 278,490,565.71-384,327,352.47-166,999,558.32

Finding the Fourth Proportional to 278,490,565.71, 384,327,352.47 and 166,999,558.32

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Solution

The fourth proportional to 278,490,565.71, 384,327,352.47 and 166,999,558.32 is: 230,465,610.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,490,565.71 : 384,327,352.47 = 166,999,558.32 : x
  2. Step 2: Convert to fraction form
    278,490,565.71/384,327,352.47 = 166,999,558.32/x
  3. Step 3: Cross multiply
    278,490,565.71x = 384,327,352.47 × 166,999,558.32
  4. Step 4: Simplify right side
    278,490,565.71x = 64,182,498,112,784,960
  5. Step 5: Solve for x
    x = 64,182,498,112,784,960/278,490,565.71
  6. Step 6: Final answer
    x = 230,465,610.03

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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.