Home / 84,401,865.76-126,601,416.78-26,893,359.40

Finding the Fourth Proportional to 84,401,865.76, 126,601,416.78 and 26,893,359.40

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Solution

The fourth proportional to 84,401,865.76, 126,601,416.78 and 26,893,359.40 is: 40,339,598.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,401,865.76 : 126,601,416.78 = 26,893,359.40 : x
  2. Step 2: Convert to fraction form
    84,401,865.76/126,601,416.78 = 26,893,359.40/x
  3. Step 3: Cross multiply
    84,401,865.76x = 126,601,416.78 × 26,893,359.40
  4. Step 4: Simplify right side
    84,401,865.76x = 3,404,737,402,013,730.50
  5. Step 5: Solve for x
    x = 3,404,737,402,013,730.50/84,401,865.76
  6. Step 6: Final answer
    x = 40,339,598.79

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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.