Home / 221,617,661.40-332,426,492.10-149,058,250.20

Finding the Fourth Proportional to 221,617,661.40, 332,426,492.10 and 149,058,250.20

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Solution

The fourth proportional to 221,617,661.40, 332,426,492.10 and 149,058,250.20 is: 223,587,375.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,617,661.40 : 332,426,492.10 = 149,058,250.20 : x
  2. Step 2: Convert to fraction form
    221,617,661.40/332,426,492.10 = 149,058,250.20/x
  3. Step 3: Cross multiply
    221,617,661.40x = 332,426,492.10 × 149,058,250.20
  4. Step 4: Simplify right side
    221,617,661.40x = 49,550,911,232,550,120
  5. Step 5: Solve for x
    x = 49,550,911,232,550,120/221,617,661.40
  6. Step 6: Final answer
    x = 223,587,375.30

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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.