Home / 203,978,427.16-281,482,039.02-111,156,956.68

Finding the Fourth Proportional to 203,978,427.16, 281,482,039.02 and 111,156,956.68

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Solution

The fourth proportional to 203,978,427.16, 281,482,039.02 and 111,156,956.68 is: 153,392,136.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,978,427.16 : 281,482,039.02 = 111,156,956.68 : x
  2. Step 2: Convert to fraction form
    203,978,427.16/281,482,039.02 = 111,156,956.68/x
  3. Step 3: Cross multiply
    203,978,427.16x = 281,482,039.02 × 111,156,956.68
  4. Step 4: Simplify right side
    203,978,427.16x = 31,288,686,817,544,208
  5. Step 5: Solve for x
    x = 31,288,686,817,544,208/203,978,427.16
  6. Step 6: Final answer
    x = 153,392,136.87

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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.