Home / 260,464,493.88-390,399,548.94-104,918,771.34

Finding the Fourth Proportional to 260,464,493.88, 390,399,548.94 and 104,918,771.34

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Solution

The fourth proportional to 260,464,493.88, 390,399,548.94 and 104,918,771.34 is: 157,258,443.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,464,493.88 : 390,399,548.94 = 104,918,771.34 : x
  2. Step 2: Convert to fraction form
    260,464,493.88/390,399,548.94 = 104,918,771.34/x
  3. Step 3: Cross multiply
    260,464,493.88x = 390,399,548.94 × 104,918,771.34
  4. Step 4: Simplify right side
    260,464,493.88x = 40,960,241,006,475,000
  5. Step 5: Solve for x
    x = 40,960,241,006,475,000/260,464,493.88
  6. Step 6: Final answer
    x = 157,258,443.93

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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.