Home / 260,464,487.83-390,399,539.76-104,918,765.31

Finding the Fourth Proportional to 260,464,487.83, 390,399,539.76 and 104,918,765.31

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Solution

The fourth proportional to 260,464,487.83, 390,399,539.76 and 104,918,765.31 is: 157,258,434.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,464,487.83 : 390,399,539.76 = 104,918,765.31 : x
  2. Step 2: Convert to fraction form
    260,464,487.83/390,399,539.76 = 104,918,765.31/x
  3. Step 3: Cross multiply
    260,464,487.83x = 390,399,539.76 × 104,918,765.31
  4. Step 4: Simplify right side
    260,464,487.83x = 40,960,237,689,211,456
  5. Step 5: Solve for x
    x = 40,960,237,689,211,456/260,464,487.83
  6. Step 6: Final answer
    x = 157,258,434.85

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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.