Home / 71,856,029.80-107,784,044.70-26,411,919.40

Finding the Fourth Proportional to 71,856,029.80, 107,784,044.70 and 26,411,919.40

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Solution

The fourth proportional to 71,856,029.80, 107,784,044.70 and 26,411,919.40 is: 39,617,879.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,856,029.80 : 107,784,044.70 = 26,411,919.40 : x
  2. Step 2: Convert to fraction form
    71,856,029.80/107,784,044.70 = 26,411,919.40/x
  3. Step 3: Cross multiply
    71,856,029.80x = 107,784,044.70 × 26,411,919.40
  4. Step 4: Simplify right side
    71,856,029.80x = 2,846,783,501,222,397
  5. Step 5: Solve for x
    x = 2,846,783,501,222,397/71,856,029.80
  6. Step 6: Final answer
    x = 39,617,879.10

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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.