Home / 105,678,933.36-145,844,915.40-58,644,910.32

Finding the Fourth Proportional to 105,678,933.36, 145,844,915.40 and 58,644,910.32

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Solution

The fourth proportional to 105,678,933.36, 145,844,915.40 and 58,644,910.32 is: 80,934,408.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,678,933.36 : 145,844,915.40 = 58,644,910.32 : x
  2. Step 2: Convert to fraction form
    105,678,933.36/145,844,915.40 = 58,644,910.32/x
  3. Step 3: Cross multiply
    105,678,933.36x = 145,844,915.40 × 58,644,910.32
  4. Step 4: Simplify right side
    105,678,933.36x = 8,553,061,984,260,987
  5. Step 5: Solve for x
    x = 8,553,061,984,260,987/105,678,933.36
  6. Step 6: Final answer
    x = 80,934,408.71

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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.