Home / 157,786,442.99-236,679,665.42-42,770,984.86

Finding the Fourth Proportional to 157,786,442.99, 236,679,665.42 and 42,770,984.86

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Solution

The fourth proportional to 157,786,442.99, 236,679,665.42 and 42,770,984.86 is: 64,156,477.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,786,442.99 : 236,679,665.42 = 42,770,984.86 : x
  2. Step 2: Convert to fraction form
    157,786,442.99/236,679,665.42 = 42,770,984.86/x
  3. Step 3: Cross multiply
    157,786,442.99x = 236,679,665.42 × 42,770,984.86
  4. Step 4: Simplify right side
    157,786,442.99x = 10,123,022,385,863,914
  5. Step 5: Solve for x
    x = 10,123,022,385,863,914/157,786,442.99
  6. Step 6: Final answer
    x = 64,156,477.54

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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.