Home / 260,464,489.34-390,399,542.01-104,918,766.81

Finding the Fourth Proportional to 260,464,489.34, 390,399,542.01 and 104,918,766.81

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Solution

The fourth proportional to 260,464,489.34, 390,399,542.01 and 104,918,766.81 is: 157,258,437.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,464,489.34 : 390,399,542.01 = 104,918,766.81 : x
  2. Step 2: Convert to fraction form
    260,464,489.34/390,399,542.01 = 104,918,766.81/x
  3. Step 3: Cross multiply
    260,464,489.34x = 390,399,542.01 × 104,918,766.81
  4. Step 4: Simplify right side
    260,464,489.34x = 40,960,238,510,877,992
  5. Step 5: Solve for x
    x = 40,960,238,510,877,992/260,464,489.34
  6. Step 6: Final answer
    x = 157,258,437.09

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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.