Home / 115,942,480.50-159,947,300.08-102,725,138.39

Finding the Fourth Proportional to 115,942,480.50, 159,947,300.08 and 102,725,138.39

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Solution

The fourth proportional to 115,942,480.50, 159,947,300.08 and 102,725,138.39 is: 141,713,446.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,942,480.50 : 159,947,300.08 = 102,725,138.39 : x
  2. Step 2: Convert to fraction form
    115,942,480.50/159,947,300.08 = 102,725,138.39/x
  3. Step 3: Cross multiply
    115,942,480.50x = 159,947,300.08 × 102,725,138.39
  4. Step 4: Simplify right side
    115,942,480.50x = 16,430,608,534,576,214
  5. Step 5: Solve for x
    x = 16,430,608,534,576,214/115,942,480.50
  6. Step 6: Final answer
    x = 141,713,446.74

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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.