Home / 62,324,009.70-86,017,595.88-42,197,879.76

Finding the Fourth Proportional to 62,324,009.70, 86,017,595.88 and 42,197,879.76

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Solution

The fourth proportional to 62,324,009.70, 86,017,595.88 and 42,197,879.76 is: 58,240,157.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,324,009.70 : 86,017,595.88 = 42,197,879.76 : x
  2. Step 2: Convert to fraction form
    62,324,009.70/86,017,595.88 = 42,197,879.76/x
  3. Step 3: Cross multiply
    62,324,009.70x = 86,017,595.88 × 42,197,879.76
  4. Step 4: Simplify right side
    62,324,009.70x = 3,629,760,168,188,511
  5. Step 5: Solve for x
    x = 3,629,760,168,188,511/62,324,009.70
  6. Step 6: Final answer
    x = 58,240,157.94

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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.