Home / 57,119,160.92-78,825,811.56-31,014,779

Finding the Fourth Proportional to 57,119,160.92, 78,825,811.56 and 31,014,779

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Solution

The fourth proportional to 57,119,160.92, 78,825,811.56 and 31,014,779 is: 42,801,138.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,119,160.92 : 78,825,811.56 = 31,014,779 : x
  2. Step 2: Convert to fraction form
    57,119,160.92/78,825,811.56 = 31,014,779/x
  3. Step 3: Cross multiply
    57,119,160.92x = 78,825,811.56 × 31,014,779
  4. Step 4: Simplify right side
    57,119,160.92x = 2,444,765,125,029,045.50
  5. Step 5: Solve for x
    x = 2,444,765,125,029,045.50/57,119,160.92
  6. Step 6: Final answer
    x = 42,801,138.63

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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.