Home / 54,580,330.40-81,621,825.42-40,756,996.40

Finding the Fourth Proportional to 54,580,330.40, 81,621,825.42 and 40,756,996.40

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Solution

The fourth proportional to 54,580,330.40, 81,621,825.42 and 40,756,996.40 is: 60,949,804.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,580,330.40 : 81,621,825.42 = 40,756,996.40 : x
  2. Step 2: Convert to fraction form
    54,580,330.40/81,621,825.42 = 40,756,996.40/x
  3. Step 3: Cross multiply
    54,580,330.40x = 81,621,825.42 × 40,756,996.40
  4. Step 4: Simplify right side
    54,580,330.40x = 3,326,660,444,804,368.50
  5. Step 5: Solve for x
    x = 3,326,660,444,804,368.50/54,580,330.40
  6. Step 6: Final answer
    x = 60,949,804.09

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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.