Home / 76,610,801.70-114,916,202.55-67,044,863.70

Finding the Fourth Proportional to 76,610,801.70, 114,916,202.55 and 67,044,863.70

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Solution

The fourth proportional to 76,610,801.70, 114,916,202.55 and 67,044,863.70 is: 100,567,295.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,610,801.70 : 114,916,202.55 = 67,044,863.70 : x
  2. Step 2: Convert to fraction form
    76,610,801.70/114,916,202.55 = 67,044,863.70/x
  3. Step 3: Cross multiply
    76,610,801.70x = 114,916,202.55 × 67,044,863.70
  4. Step 4: Simplify right side
    76,610,801.70x = 7,704,541,136,886,343
  5. Step 5: Solve for x
    x = 7,704,541,136,886,343/76,610,801.70
  6. Step 6: Final answer
    x = 100,567,295.55

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Similar ratio
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1.5x scale

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.