Home / 156,603,842.64-234,949,744.13-45,942,123.78

Finding the Fourth Proportional to 156,603,842.64, 234,949,744.13 and 45,942,123.78

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Solution

The fourth proportional to 156,603,842.64, 234,949,744.13 and 45,942,123.78 is: 68,926,087.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,603,842.64 : 234,949,744.13 = 45,942,123.78 : x
  2. Step 2: Convert to fraction form
    156,603,842.64/234,949,744.13 = 45,942,123.78/x
  3. Step 3: Cross multiply
    156,603,842.64x = 234,949,744.13 × 45,942,123.78
  4. Step 4: Simplify right side
    156,603,842.64x = 10,794,090,226,670,078
  5. Step 5: Solve for x
    x = 10,794,090,226,670,078/156,603,842.64
  6. Step 6: Final answer
    x = 68,926,087.92

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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.