Home / 74,601,007.20-111,901,510.80-68,143,999.05

Finding the Fourth Proportional to 74,601,007.20, 111,901,510.80 and 68,143,999.05

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Solution

The fourth proportional to 74,601,007.20, 111,901,510.80 and 68,143,999.05 is: 102,215,998.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,601,007.20 : 111,901,510.80 = 68,143,999.05 : x
  2. Step 2: Convert to fraction form
    74,601,007.20/111,901,510.80 = 68,143,999.05/x
  3. Step 3: Cross multiply
    74,601,007.20x = 111,901,510.80 × 68,143,999.05
  4. Step 4: Simplify right side
    74,601,007.20x = 7,625,416,445,648,764
  5. Step 5: Solve for x
    x = 7,625,416,445,648,764/74,601,007.20
  6. Step 6: Final answer
    x = 102,215,998.58

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1.5x scale

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.