Home / 54,300,769.20-81,453,122.10-15,966,158.40

Finding the Fourth Proportional to 54,300,769.20, 81,453,122.10 and 15,966,158.40

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Solution

The fourth proportional to 54,300,769.20, 81,453,122.10 and 15,966,158.40 is: 23,949,816.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,300,769.20 : 81,453,122.10 = 15,966,158.40 : x
  2. Step 2: Convert to fraction form
    54,300,769.20/81,453,122.10 = 15,966,158.40/x
  3. Step 3: Cross multiply
    54,300,769.20x = 81,453,122.10 × 15,966,158.40
  4. Step 4: Simplify right side
    54,300,769.20x = 1,300,493,449,623,140.50
  5. Step 5: Solve for x
    x = 1,300,493,449,623,140.50/54,300,769.20
  6. Step 6: Final answer
    x = 23,949,816.34

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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.