Home / 252,834,854.70-348,940,415.79-142,833,653.58

Finding the Fourth Proportional to 252,834,854.70, 348,940,415.79 and 142,833,653.58

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Solution

The fourth proportional to 252,834,854.70, 348,940,415.79 and 142,833,653.58 is: 197,126,438.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,834,854.70 : 348,940,415.79 = 142,833,653.58 : x
  2. Step 2: Convert to fraction form
    252,834,854.70/348,940,415.79 = 142,833,653.58/x
  3. Step 3: Cross multiply
    252,834,854.70x = 348,940,415.79 × 142,833,653.58
  4. Step 4: Simplify right side
    252,834,854.70x = 49,840,434,469,010,032
  5. Step 5: Solve for x
    x = 49,840,434,469,010,032/252,834,854.70
  6. Step 6: Final answer
    x = 197,126,438.63

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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.