Home / 105,536,286-145,636,553.61-58,491,354.78

Finding the Fourth Proportional to 105,536,286, 145,636,553.61 and 58,491,354.78

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Solution

The fourth proportional to 105,536,286, 145,636,553.61 and 58,491,354.78 is: 80,716,118.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,536,286 : 145,636,553.61 = 58,491,354.78 : x
  2. Step 2: Convert to fraction form
    105,536,286/145,636,553.61 = 58,491,354.78/x
  3. Step 3: Cross multiply
    105,536,286x = 145,636,553.61 × 58,491,354.78
  4. Step 4: Simplify right side
    105,536,286x = 8,518,479,326,139,001
  5. Step 5: Solve for x
    x = 8,518,479,326,139,001/105,536,286
  6. Step 6: Final answer
    x = 80,716,118.11

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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.