Home / 221,184,133.60-331,776,200.40-203,716,127.20

Finding the Fourth Proportional to 221,184,133.60, 331,776,200.40 and 203,716,127.20

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Solution

The fourth proportional to 221,184,133.60, 331,776,200.40 and 203,716,127.20 is: 305,574,190.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,184,133.60 : 331,776,200.40 = 203,716,127.20 : x
  2. Step 2: Convert to fraction form
    221,184,133.60/331,776,200.40 = 203,716,127.20/x
  3. Step 3: Cross multiply
    221,184,133.60x = 331,776,200.40 × 203,716,127.20
  4. Step 4: Simplify right side
    221,184,133.60x = 67,588,162,642,619,080
  5. Step 5: Solve for x
    x = 67,588,162,642,619,080/221,184,133.60
  6. Step 6: Final answer
    x = 305,574,190.80

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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.