Home / 151,192,568.57-226,604,607.01-78,369,201.05

Finding the Fourth Proportional to 151,192,568.57, 226,604,607.01 and 78,369,201.05

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Solution

The fourth proportional to 151,192,568.57, 226,604,607.01 and 78,369,201.05 is: 117,458,299.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,192,568.57 : 226,604,607.01 = 78,369,201.05 : x
  2. Step 2: Convert to fraction form
    151,192,568.57/226,604,607.01 = 78,369,201.05/x
  3. Step 3: Cross multiply
    151,192,568.57x = 226,604,607.01 × 78,369,201.05
  4. Step 4: Simplify right side
    151,192,568.57x = 17,758,822,004,293,984
  5. Step 5: Solve for x
    x = 17,758,822,004,293,984/151,192,568.57
  6. Step 6: Final answer
    x = 117,458,299.52

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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.