Home / 52,148,296.80-78,250,438.80-21,859,221.60

Finding the Fourth Proportional to 52,148,296.80, 78,250,438.80 and 21,859,221.60

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Solution

The fourth proportional to 52,148,296.80, 78,250,438.80 and 21,859,221.60 is: 32,800,566.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,148,296.80 : 78,250,438.80 = 21,859,221.60 : x
  2. Step 2: Convert to fraction form
    52,148,296.80/78,250,438.80 = 21,859,221.60/x
  3. Step 3: Cross multiply
    52,148,296.80x = 78,250,438.80 × 21,859,221.60
  4. Step 4: Simplify right side
    52,148,296.80x = 1,710,493,682,026,438.25
  5. Step 5: Solve for x
    x = 1,710,493,682,026,438.25/52,148,296.80
  6. Step 6: Final answer
    x = 32,800,566.60

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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.