Home / 221,415,477.70-332,123,216.55-106,372,279.30

Finding the Fourth Proportional to 221,415,477.70, 332,123,216.55 and 106,372,279.30

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Solution

The fourth proportional to 221,415,477.70, 332,123,216.55 and 106,372,279.30 is: 159,558,418.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,415,477.70 : 332,123,216.55 = 106,372,279.30 : x
  2. Step 2: Convert to fraction form
    221,415,477.70/332,123,216.55 = 106,372,279.30/x
  3. Step 3: Cross multiply
    221,415,477.70x = 332,123,216.55 × 106,372,279.30
  4. Step 4: Simplify right side
    221,415,477.70x = 35,328,703,552,870,984
  5. Step 5: Solve for x
    x = 35,328,703,552,870,984/221,415,477.70
  6. Step 6: Final answer
    x = 159,558,418.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.