Home / 159,791,998.40-239,282,493.60-87,907,198.40

Finding the Fourth Proportional to 159,791,998.40, 239,282,493.60 and 87,907,198.40

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Solution

The fourth proportional to 159,791,998.40, 239,282,493.60 and 87,907,198.40 is: 131,637,715.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,791,998.40 : 239,282,493.60 = 87,907,198.40 : x
  2. Step 2: Convert to fraction form
    159,791,998.40/239,282,493.60 = 87,907,198.40/x
  3. Step 3: Cross multiply
    159,791,998.40x = 239,282,493.60 × 87,907,198.40
  4. Step 4: Simplify right side
    159,791,998.40x = 21,034,653,638,541,932
  5. Step 5: Solve for x
    x = 21,034,653,638,541,932/159,791,998.40
  6. Step 6: Final answer
    x = 131,637,715.59

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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.