Home / 54,254,728.80-81,365,860.80-17,856,400.32

Finding the Fourth Proportional to 54,254,728.80, 81,365,860.80 and 17,856,400.32

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Solution

The fourth proportional to 54,254,728.80, 81,365,860.80 and 17,856,400.32 is: 26,779,258.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,254,728.80 : 81,365,860.80 = 17,856,400.32 : x
  2. Step 2: Convert to fraction form
    54,254,728.80/81,365,860.80 = 17,856,400.32/x
  3. Step 3: Cross multiply
    54,254,728.80x = 81,365,860.80 × 17,856,400.32
  4. Step 4: Simplify right side
    54,254,728.80x = 1,452,901,382,826,195.50
  5. Step 5: Solve for x
    x = 1,452,901,382,826,195.50/54,254,728.80
  6. Step 6: Final answer
    x = 26,779,258.05

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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.