Home / 151,015,076.42-208,416,795.92-92,312,103.56

Finding the Fourth Proportional to 151,015,076.42, 208,416,795.92 and 92,312,103.56

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Solution

The fourth proportional to 151,015,076.42, 208,416,795.92 and 92,312,103.56 is: 127,400,477.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,015,076.42 : 208,416,795.92 = 92,312,103.56 : x
  2. Step 2: Convert to fraction form
    151,015,076.42/208,416,795.92 = 92,312,103.56/x
  3. Step 3: Cross multiply
    151,015,076.42x = 208,416,795.92 × 92,312,103.56
  4. Step 4: Simplify right side
    151,015,076.42x = 19,239,392,848,610,424
  5. Step 5: Solve for x
    x = 19,239,392,848,610,424/151,015,076.42
  6. Step 6: Final answer
    x = 127,400,477.52

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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.