Home / 171,496,969.92-257,100,844.95-74,379,531.60

Finding the Fourth Proportional to 171,496,969.92, 257,100,844.95 and 74,379,531.60

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Solution

The fourth proportional to 171,496,969.92, 257,100,844.95 and 74,379,531.60 is: 111,506,578.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,496,969.92 : 257,100,844.95 = 74,379,531.60 : x
  2. Step 2: Convert to fraction form
    171,496,969.92/257,100,844.95 = 74,379,531.60/x
  3. Step 3: Cross multiply
    171,496,969.92x = 257,100,844.95 × 74,379,531.60
  4. Step 4: Simplify right side
    171,496,969.92x = 19,123,040,421,345,224
  5. Step 5: Solve for x
    x = 19,123,040,421,345,224/171,496,969.92
  6. Step 6: Final answer
    x = 111,506,578.98

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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.