Home / 51,315,453.70-70,788,478.14-31,730,081.38

Finding the Fourth Proportional to 51,315,453.70, 70,788,478.14 and 31,730,081.38

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Solution

The fourth proportional to 51,315,453.70, 70,788,478.14 and 31,730,081.38 is: 43,770,911.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,315,453.70 : 70,788,478.14 = 31,730,081.38 : x
  2. Step 2: Convert to fraction form
    51,315,453.70/70,788,478.14 = 31,730,081.38/x
  3. Step 3: Cross multiply
    51,315,453.70x = 70,788,478.14 × 31,730,081.38
  4. Step 4: Simplify right side
    51,315,453.70x = 2,246,124,172,148,551
  5. Step 5: Solve for x
    x = 2,246,124,172,148,551/51,315,453.70
  6. Step 6: Final answer
    x = 43,770,911.30

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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.