Home / 129,366,499.37-193,740,396.27-74,613,087.72

Finding the Fourth Proportional to 129,366,499.37, 193,740,396.27 and 74,613,087.72

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Solution

The fourth proportional to 129,366,499.37, 193,740,396.27 and 74,613,087.72 is: 111,741,210.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,366,499.37 : 193,740,396.27 = 74,613,087.72 : x
  2. Step 2: Convert to fraction form
    129,366,499.37/193,740,396.27 = 74,613,087.72/x
  3. Step 3: Cross multiply
    129,366,499.37x = 193,740,396.27 × 74,613,087.72
  4. Step 4: Simplify right side
    129,366,499.37x = 14,455,569,181,801,072
  5. Step 5: Solve for x
    x = 14,455,569,181,801,072/129,366,499.37
  6. Step 6: Final answer
    x = 111,741,210.07

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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.