Home / 55,327,687.35-82,995,516.83-21,249,033.23

Finding the Fourth Proportional to 55,327,687.35, 82,995,516.83 and 21,249,033.23

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Solution

The fourth proportional to 55,327,687.35, 82,995,516.83 and 21,249,033.23 is: 31,875,080.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,327,687.35 : 82,995,516.83 = 21,249,033.23 : x
  2. Step 2: Convert to fraction form
    55,327,687.35/82,995,516.83 = 21,249,033.23/x
  3. Step 3: Cross multiply
    55,327,687.35x = 82,995,516.83 × 21,249,033.23
  4. Step 4: Simplify right side
    55,327,687.35x = 1,763,574,494,735,930
  5. Step 5: Solve for x
    x = 1,763,574,494,735,930/55,327,687.35
  6. Step 6: Final answer
    x = 31,875,080.62

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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.