Home / 259,070,327.20-388,356,658.80-149,783,312.80

Finding the Fourth Proportional to 259,070,327.20, 388,356,658.80 and 149,783,312.80

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Solution

The fourth proportional to 259,070,327.20, 388,356,658.80 and 149,783,312.80 is: 224,531,105.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,070,327.20 : 388,356,658.80 = 149,783,312.80 : x
  2. Step 2: Convert to fraction form
    259,070,327.20/388,356,658.80 = 149,783,312.80/x
  3. Step 3: Cross multiply
    259,070,327.20x = 388,356,658.80 × 149,783,312.80
  4. Step 4: Simplify right side
    259,070,327.20x = 58,169,346,903,003,280
  5. Step 5: Solve for x
    x = 58,169,346,903,003,280/259,070,327.20
  6. Step 6: Final answer
    x = 224,531,105.25

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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.