Home / 245,816,037.53-339,226,496.55-139,969,539.12

Finding the Fourth Proportional to 245,816,037.53, 339,226,496.55 and 139,969,539.12

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Solution

The fourth proportional to 245,816,037.53, 339,226,496.55 and 139,969,539.12 is: 193,158,171.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,816,037.53 : 339,226,496.55 = 139,969,539.12 : x
  2. Step 2: Convert to fraction form
    245,816,037.53/339,226,496.55 = 139,969,539.12/x
  3. Step 3: Cross multiply
    245,816,037.53x = 339,226,496.55 × 139,969,539.12
  4. Step 4: Simplify right side
    245,816,037.53x = 47,481,376,379,395,776
  5. Step 5: Solve for x
    x = 47,481,376,379,395,776/245,816,037.53
  6. Step 6: Final answer
    x = 193,158,171.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.