Home / 55,851,072.80-83,776,609.20-38,632,384.40

Finding the Fourth Proportional to 55,851,072.80, 83,776,609.20 and 38,632,384.40

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Solution

The fourth proportional to 55,851,072.80, 83,776,609.20 and 38,632,384.40 is: 57,948,576.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,851,072.80 : 83,776,609.20 = 38,632,384.40 : x
  2. Step 2: Convert to fraction form
    55,851,072.80/83,776,609.20 = 38,632,384.40/x
  3. Step 3: Cross multiply
    55,851,072.80x = 83,776,609.20 × 38,632,384.40
  4. Step 4: Simplify right side
    55,851,072.80x = 3,236,490,170,342,976.50
  5. Step 5: Solve for x
    x = 3,236,490,170,342,976.50/55,851,072.80
  6. Step 6: Final answer
    x = 57,948,576.60

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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.