Home / 221,434,350.80-332,151,526.20-220,158,892.40

Finding the Fourth Proportional to 221,434,350.80, 332,151,526.20 and 220,158,892.40

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Solution

The fourth proportional to 221,434,350.80, 332,151,526.20 and 220,158,892.40 is: 330,238,338.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,434,350.80 : 332,151,526.20 = 220,158,892.40 : x
  2. Step 2: Convert to fraction form
    221,434,350.80/332,151,526.20 = 220,158,892.40/x
  3. Step 3: Cross multiply
    221,434,350.80x = 332,151,526.20 × 220,158,892.40
  4. Step 4: Simplify right side
    221,434,350.80x = 73,126,112,117,161,584
  5. Step 5: Solve for x
    x = 73,126,112,117,161,584/221,434,350.80
  6. Step 6: Final answer
    x = 330,238,338.60

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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.