Home / 86,962,335.30-120,008,409.57-47,806,633.98

Finding the Fourth Proportional to 86,962,335.30, 120,008,409.57 and 47,806,633.98

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Solution

The fourth proportional to 86,962,335.30, 120,008,409.57 and 47,806,633.98 is: 65,973,367.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,962,335.30 : 120,008,409.57 = 47,806,633.98 : x
  2. Step 2: Convert to fraction form
    86,962,335.30/120,008,409.57 = 47,806,633.98/x
  3. Step 3: Cross multiply
    86,962,335.30x = 120,008,409.57 × 47,806,633.98
  4. Step 4: Simplify right side
    86,962,335.30x = 5,737,198,110,834,918
  5. Step 5: Solve for x
    x = 5,737,198,110,834,918/86,962,335.30
  6. Step 6: Final answer
    x = 65,973,367.56

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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.