Home / 54,435,349.20-81,653,023.80-54,057,435.60

Finding the Fourth Proportional to 54,435,349.20, 81,653,023.80 and 54,057,435.60

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Solution

The fourth proportional to 54,435,349.20, 81,653,023.80 and 54,057,435.60 is: 81,086,153.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,435,349.20 : 81,653,023.80 = 54,057,435.60 : x
  2. Step 2: Convert to fraction form
    54,435,349.20/81,653,023.80 = 54,057,435.60/x
  3. Step 3: Cross multiply
    54,435,349.20x = 81,653,023.80 × 54,057,435.60
  4. Step 4: Simplify right side
    54,435,349.20x = 4,413,953,075,613,767
  5. Step 5: Solve for x
    x = 4,413,953,075,613,767/54,435,349.20
  6. Step 6: Final answer
    x = 81,086,153.40

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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.