Home / 105,536,287-145,636,554.99-58,491,355.78

Finding the Fourth Proportional to 105,536,287, 145,636,554.99 and 58,491,355.78

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Solution

The fourth proportional to 105,536,287, 145,636,554.99 and 58,491,355.78 is: 80,716,119.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,536,287 : 145,636,554.99 = 58,491,355.78 : x
  2. Step 2: Convert to fraction form
    105,536,287/145,636,554.99 = 58,491,355.78/x
  3. Step 3: Cross multiply
    105,536,287x = 145,636,554.99 × 58,491,355.78
  4. Step 4: Simplify right side
    105,536,287x = 8,518,479,552,493,625
  5. Step 5: Solve for x
    x = 8,518,479,552,493,625/105,536,287
  6. Step 6: Final answer
    x = 80,716,119.49

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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.