Home / 76,636,029.60-114,954,044.40-68,321,930.40

Finding the Fourth Proportional to 76,636,029.60, 114,954,044.40 and 68,321,930.40

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Solution

The fourth proportional to 76,636,029.60, 114,954,044.40 and 68,321,930.40 is: 102,482,895.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,636,029.60 : 114,954,044.40 = 68,321,930.40 : x
  2. Step 2: Convert to fraction form
    76,636,029.60/114,954,044.40 = 68,321,930.40/x
  3. Step 3: Cross multiply
    76,636,029.60x = 114,954,044.40 × 68,321,930.40
  4. Step 4: Simplify right side
    76,636,029.60x = 7,853,882,220,695,311
  5. Step 5: Solve for x
    x = 7,853,882,220,695,311/76,636,029.60
  6. Step 6: Final answer
    x = 102,482,895.60

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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.