Home / 112,334,556.30-168,501,834.45-91,927,221.90

Finding the Fourth Proportional to 112,334,556.30, 168,501,834.45 and 91,927,221.90

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Solution

The fourth proportional to 112,334,556.30, 168,501,834.45 and 91,927,221.90 is: 137,890,832.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,334,556.30 : 168,501,834.45 = 91,927,221.90 : x
  2. Step 2: Convert to fraction form
    112,334,556.30/168,501,834.45 = 91,927,221.90/x
  3. Step 3: Cross multiply
    112,334,556.30x = 168,501,834.45 × 91,927,221.90
  4. Step 4: Simplify right side
    112,334,556.30x = 15,489,905,526,042,214
  5. Step 5: Solve for x
    x = 15,489,905,526,042,214/112,334,556.30
  6. Step 6: Final answer
    x = 137,890,832.85

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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.