Home / 221,617,679.40-332,426,519.10-149,058,268.20

Finding the Fourth Proportional to 221,617,679.40, 332,426,519.10 and 149,058,268.20

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Solution

The fourth proportional to 221,617,679.40, 332,426,519.10 and 149,058,268.20 is: 223,587,402.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,617,679.40 : 332,426,519.10 = 149,058,268.20 : x
  2. Step 2: Convert to fraction form
    221,617,679.40/332,426,519.10 = 149,058,268.20/x
  3. Step 3: Cross multiply
    221,617,679.40x = 332,426,519.10 × 149,058,268.20
  4. Step 4: Simplify right side
    221,617,679.40x = 49,550,921,240,800,224
  5. Step 5: Solve for x
    x = 49,550,921,240,800,224/221,617,679.40
  6. Step 6: Final answer
    x = 223,587,402.30

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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.