Home / 165,804,565.35-248,704,515.22-74,928,008.55

Finding the Fourth Proportional to 165,804,565.35, 248,704,515.22 and 74,928,008.55

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Solution

The fourth proportional to 165,804,565.35, 248,704,515.22 and 74,928,008.55 is: 112,390,958.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,804,565.35 : 248,704,515.22 = 74,928,008.55 : x
  2. Step 2: Convert to fraction form
    165,804,565.35/248,704,515.22 = 74,928,008.55/x
  3. Step 3: Cross multiply
    165,804,565.35x = 248,704,515.22 × 74,928,008.55
  4. Step 4: Simplify right side
    165,804,565.35x = 18,634,934,042,827,764
  5. Step 5: Solve for x
    x = 18,634,934,042,827,764/165,804,565.35
  6. Step 6: Final answer
    x = 112,390,958.62

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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.