Home / 260,815,663.86-359,933,715.90-143,338,859.34

Finding the Fourth Proportional to 260,815,663.86, 359,933,715.90 and 143,338,859.34

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Solution

The fourth proportional to 260,815,663.86, 359,933,715.90 and 143,338,859.34 is: 197,812,077.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,815,663.86 : 359,933,715.90 = 143,338,859.34 : x
  2. Step 2: Convert to fraction form
    260,815,663.86/359,933,715.90 = 143,338,859.34/x
  3. Step 3: Cross multiply
    260,815,663.86x = 359,933,715.90 × 143,338,859.34
  4. Step 4: Simplify right side
    260,815,663.86x = 51,592,488,275,113,616
  5. Step 5: Solve for x
    x = 51,592,488,275,113,616/260,815,663.86
  6. Step 6: Final answer
    x = 197,812,077.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.