Home / 77,109,092.60-115,660,358.40-25,991,029.40

Finding the Fourth Proportional to 77,109,092.60, 115,660,358.40 and 25,991,029.40

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Solution

The fourth proportional to 77,109,092.60, 115,660,358.40 and 25,991,029.40 is: 38,985,438.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,109,092.60 : 115,660,358.40 = 25,991,029.40 : x
  2. Step 2: Convert to fraction form
    77,109,092.60/115,660,358.40 = 25,991,029.40/x
  3. Step 3: Cross multiply
    77,109,092.60x = 115,660,358.40 × 25,991,029.40
  4. Step 4: Simplify right side
    77,109,092.60x = 3,006,131,775,588,937
  5. Step 5: Solve for x
    x = 3,006,131,775,588,937/77,109,092.60
  6. Step 6: Final answer
    x = 38,985,438.35

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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.