Home / 330,858,740.70-496,288,111.05-85,214,900.70

Finding the Fourth Proportional to 330,858,740.70, 496,288,111.05 and 85,214,900.70

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Solution

The fourth proportional to 330,858,740.70, 496,288,111.05 and 85,214,900.70 is: 127,822,351.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,858,740.70 : 496,288,111.05 = 85,214,900.70 : x
  2. Step 2: Convert to fraction form
    330,858,740.70/496,288,111.05 = 85,214,900.70/x
  3. Step 3: Cross multiply
    330,858,740.70x = 496,288,111.05 × 85,214,900.70
  4. Step 4: Simplify right side
    330,858,740.70x = 42,291,142,101,716,328
  5. Step 5: Solve for x
    x = 42,291,142,101,716,328/330,858,740.70
  6. Step 6: Final answer
    x = 127,822,351.05

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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.