Home / 51,250,120.10-76,881,923.40-18,924,729.20

Finding the Fourth Proportional to 51,250,120.10, 76,881,923.40 and 18,924,729.20

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Solution

The fourth proportional to 51,250,120.10, 76,881,923.40 and 18,924,729.20 is: 28,389,583.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,250,120.10 : 76,881,923.40 = 18,924,729.20 : x
  2. Step 2: Convert to fraction form
    51,250,120.10/76,881,923.40 = 18,924,729.20/x
  3. Step 3: Cross multiply
    51,250,120.10x = 76,881,923.40 × 18,924,729.20
  4. Step 4: Simplify right side
    51,250,120.10x = 1,454,969,580,720,143.25
  5. Step 5: Solve for x
    x = 1,454,969,580,720,143.25/51,250,120.10
  6. Step 6: Final answer
    x = 28,389,583.83

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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.