Home / 76,187,916.90-105,138,747.16-41,380,856.46

Finding the Fourth Proportional to 76,187,916.90, 105,138,747.16 and 41,380,856.46

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Solution

The fourth proportional to 76,187,916.90, 105,138,747.16 and 41,380,856.46 is: 57,105,267.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,187,916.90 : 105,138,747.16 = 41,380,856.46 : x
  2. Step 2: Convert to fraction form
    76,187,916.90/105,138,747.16 = 41,380,856.46/x
  3. Step 3: Cross multiply
    76,187,916.90x = 105,138,747.16 × 41,380,856.46
  4. Step 4: Simplify right side
    76,187,916.90x = 4,350,731,404,612,192.50
  5. Step 5: Solve for x
    x = 4,350,731,404,612,192.50/76,187,916.90
  6. Step 6: Final answer
    x = 57,105,267.89

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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.