Home / 99,173,104.50-136,897,378.26-74,464,640.94

Finding the Fourth Proportional to 99,173,104.50, 136,897,378.26 and 74,464,640.94

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Solution

The fourth proportional to 99,173,104.50, 136,897,378.26 and 74,464,640.94 is: 102,790,107.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,173,104.50 : 136,897,378.26 = 74,464,640.94 : x
  2. Step 2: Convert to fraction form
    99,173,104.50/136,897,378.26 = 74,464,640.94/x
  3. Step 3: Cross multiply
    99,173,104.50x = 136,897,378.26 × 74,464,640.94
  4. Step 4: Simplify right side
    99,173,104.50x = 10,194,014,117,758,260
  5. Step 5: Solve for x
    x = 10,194,014,117,758,260/99,173,104.50
  6. Step 6: Final answer
    x = 102,790,107.95

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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.