Home / 55,222,819.70-76,207,721.36-30,442,462.16

Finding the Fourth Proportional to 55,222,819.70, 76,207,721.36 and 30,442,462.16

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Solution

The fourth proportional to 55,222,819.70, 76,207,721.36 and 30,442,462.16 is: 42,010,724.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,222,819.70 : 76,207,721.36 = 30,442,462.16 : x
  2. Step 2: Convert to fraction form
    55,222,819.70/76,207,721.36 = 30,442,462.16/x
  3. Step 3: Cross multiply
    55,222,819.70x = 76,207,721.36 × 30,442,462.16
  4. Step 4: Simplify right side
    55,222,819.70x = 2,319,950,673,496,691.50
  5. Step 5: Solve for x
    x = 2,319,950,673,496,691.50/55,222,819.70
  6. Step 6: Final answer
    x = 42,010,724.67

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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.