Home / 54,120,901.92-81,194,900.40-15,782,420.40

Finding the Fourth Proportional to 54,120,901.92, 81,194,900.40 and 15,782,420.40

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Solution

The fourth proportional to 54,120,901.92, 81,194,900.40 and 15,782,420.40 is: 23,677,581.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,120,901.92 : 81,194,900.40 = 15,782,420.40 : x
  2. Step 2: Convert to fraction form
    54,120,901.92/81,194,900.40 = 15,782,420.40/x
  3. Step 3: Cross multiply
    54,120,901.92x = 81,194,900.40 × 15,782,420.40
  4. Step 4: Simplify right side
    54,120,901.92x = 1,281,452,052,448,928.25
  5. Step 5: Solve for x
    x = 1,281,452,052,448,928.25/54,120,901.92
  6. Step 6: Final answer
    x = 23,677,581.25

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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.