Home / 54,683,568.18-81,977,080.43-20,628,828.98

Finding the Fourth Proportional to 54,683,568.18, 81,977,080.43 and 20,628,828.98

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Solution

The fourth proportional to 54,683,568.18, 81,977,080.43 and 20,628,828.98 is: 30,925,033.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,683,568.18 : 81,977,080.43 = 20,628,828.98 : x
  2. Step 2: Convert to fraction form
    54,683,568.18/81,977,080.43 = 20,628,828.98/x
  3. Step 3: Cross multiply
    54,683,568.18x = 81,977,080.43 × 20,628,828.98
  4. Step 4: Simplify right side
    54,683,568.18x = 1,691,091,172,470,175
  5. Step 5: Solve for x
    x = 1,691,091,172,470,175/54,683,568.18
  6. Step 6: Final answer
    x = 30,925,033.40

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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.