Home / 55,609,472.20-83,414,208.30-53,341,990.60

Finding the Fourth Proportional to 55,609,472.20, 83,414,208.30 and 53,341,990.60

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Solution

The fourth proportional to 55,609,472.20, 83,414,208.30 and 53,341,990.60 is: 80,012,985.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,609,472.20 : 83,414,208.30 = 53,341,990.60 : x
  2. Step 2: Convert to fraction form
    55,609,472.20/83,414,208.30 = 53,341,990.60/x
  3. Step 3: Cross multiply
    55,609,472.20x = 83,414,208.30 × 53,341,990.60
  4. Step 4: Simplify right side
    55,609,472.20x = 4,449,479,915,045,042
  5. Step 5: Solve for x
    x = 4,449,479,915,045,042/55,609,472.20
  6. Step 6: Final answer
    x = 80,012,985.90

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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.