Home / 51,185,140.38-76,770,142.00-18,829,476.54

Finding the Fourth Proportional to 51,185,140.38, 76,770,142.00 and 18,829,476.54

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Solution

The fourth proportional to 51,185,140.38, 76,770,142.00 and 18,829,476.54 is: 28,241,430.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,185,140.38 : 76,770,142.00 = 18,829,476.54 : x
  2. Step 2: Convert to fraction form
    51,185,140.38/76,770,142.00 = 18,829,476.54/x
  3. Step 3: Cross multiply
    51,185,140.38x = 76,770,142.00 × 18,829,476.54
  4. Step 4: Simplify right side
    51,185,140.38x = 1,445,541,587,714,395
  5. Step 5: Solve for x
    x = 1,445,541,587,714,395/51,185,140.38
  6. Step 6: Final answer
    x = 28,241,430.56

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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.