Home / 260,963,511.82-391,597,909.38-97,314,325.90

Finding the Fourth Proportional to 260,963,511.82, 391,597,909.38 and 97,314,325.90

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Solution

The fourth proportional to 260,963,511.82, 391,597,909.38 and 97,314,325.90 is: 146,028,409.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,963,511.82 : 391,597,909.38 = 97,314,325.90 : x
  2. Step 2: Convert to fraction form
    260,963,511.82/391,597,909.38 = 97,314,325.90/x
  3. Step 3: Cross multiply
    260,963,511.82x = 391,597,909.38 × 97,314,325.90
  4. Step 4: Simplify right side
    260,963,511.82x = 38,108,086,575,163,992
  5. Step 5: Solve for x
    x = 38,108,086,575,163,992/260,963,511.82
  6. Step 6: Final answer
    x = 146,028,409.53

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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.