Home / 54,355,111.20-81,532,666.80-18,453,319.20

Finding the Fourth Proportional to 54,355,111.20, 81,532,666.80 and 18,453,319.20

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Solution

The fourth proportional to 54,355,111.20, 81,532,666.80 and 18,453,319.20 is: 27,679,978.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,355,111.20 : 81,532,666.80 = 18,453,319.20 : x
  2. Step 2: Convert to fraction form
    54,355,111.20/81,532,666.80 = 18,453,319.20/x
  3. Step 3: Cross multiply
    54,355,111.20x = 81,532,666.80 × 18,453,319.20
  4. Step 4: Simplify right side
    54,355,111.20x = 1,504,548,325,687,642.50
  5. Step 5: Solve for x
    x = 1,504,548,325,687,642.50/54,355,111.20
  6. Step 6: Final answer
    x = 27,679,978.80

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1.5x scale

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.