Home / 221,238,758.80-332,058,904.80-112,139,826.40

Finding the Fourth Proportional to 221,238,758.80, 332,058,904.80 and 112,139,826.40

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Solution

The fourth proportional to 221,238,758.80, 332,058,904.80 and 112,139,826.40 is: 168,311,502.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,238,758.80 : 332,058,904.80 = 112,139,826.40 : x
  2. Step 2: Convert to fraction form
    221,238,758.80/332,058,904.80 = 112,139,826.40/x
  3. Step 3: Cross multiply
    221,238,758.80x = 332,058,904.80 × 112,139,826.40
  4. Step 4: Simplify right side
    221,238,758.80x = 37,237,027,938,846,128
  5. Step 5: Solve for x
    x = 37,237,027,938,846,128/221,238,758.80
  6. Step 6: Final answer
    x = 168,311,502.65

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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.