Home / 86,094,018.72-129,141,494.64-25,510,269.60

Finding the Fourth Proportional to 86,094,018.72, 129,141,494.64 and 25,510,269.60

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Solution

The fourth proportional to 86,094,018.72, 129,141,494.64 and 25,510,269.60 is: 38,265,542.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,094,018.72 : 129,141,494.64 = 25,510,269.60 : x
  2. Step 2: Convert to fraction form
    86,094,018.72/129,141,494.64 = 25,510,269.60/x
  3. Step 3: Cross multiply
    86,094,018.72x = 129,141,494.64 × 25,510,269.60
  4. Step 4: Simplify right side
    86,094,018.72x = 3,294,434,344,813,355
  5. Step 5: Solve for x
    x = 3,294,434,344,813,355/86,094,018.72
  6. Step 6: Final answer
    x = 38,265,542.65

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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.