Home / 122,797,986.04-169,460,343.40-67,043,404.72

Finding the Fourth Proportional to 122,797,986.04, 169,460,343.40 and 67,043,404.72

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Solution

The fourth proportional to 122,797,986.04, 169,460,343.40 and 67,043,404.72 is: 92,519,419.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,797,986.04 : 169,460,343.40 = 67,043,404.72 : x
  2. Step 2: Convert to fraction form
    122,797,986.04/169,460,343.40 = 67,043,404.72/x
  3. Step 3: Cross multiply
    122,797,986.04x = 169,460,343.40 × 67,043,404.72
  4. Step 4: Simplify right side
    122,797,986.04x = 11,361,198,386,556,382
  5. Step 5: Solve for x
    x = 11,361,198,386,556,382/122,797,986.04
  6. Step 6: Final answer
    x = 92,519,419.52

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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.