Home / 53,219,309.04-73,438,247.70-30,020,137.92

Finding the Fourth Proportional to 53,219,309.04, 73,438,247.70 and 30,020,137.92

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Solution

The fourth proportional to 53,219,309.04, 73,438,247.70 and 30,020,137.92 is: 41,425,309.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,219,309.04 : 73,438,247.70 = 30,020,137.92 : x
  2. Step 2: Convert to fraction form
    53,219,309.04/73,438,247.70 = 30,020,137.92/x
  3. Step 3: Cross multiply
    53,219,309.04x = 73,438,247.70 × 30,020,137.92
  4. Step 4: Simplify right side
    53,219,309.04x = 2,204,626,324,557,123
  5. Step 5: Solve for x
    x = 2,204,626,324,557,123/53,219,309.04
  6. Step 6: Final answer
    x = 41,425,309.05

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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.