Home / 228,958,172.16-315,933,571.44-154,780,134.72

Finding the Fourth Proportional to 228,958,172.16, 315,933,571.44 and 154,780,134.72

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Solution

The fourth proportional to 228,958,172.16, 315,933,571.44 and 154,780,134.72 is: 213,577,180.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,958,172.16 : 315,933,571.44 = 154,780,134.72 : x
  2. Step 2: Convert to fraction form
    228,958,172.16/315,933,571.44 = 154,780,134.72/x
  3. Step 3: Cross multiply
    228,958,172.16x = 315,933,571.44 × 154,780,134.72
  4. Step 4: Simplify right side
    228,958,172.16x = 48,900,240,750,053,944
  5. Step 5: Solve for x
    x = 48,900,240,750,053,944/228,958,172.16
  6. Step 6: Final answer
    x = 213,577,180.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.