Home / 274,749,527.09-412,140,000.80-77,997,550.70

Finding the Fourth Proportional to 274,749,527.09, 412,140,000.80 and 77,997,550.70

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Solution

The fourth proportional to 274,749,527.09, 412,140,000.80 and 77,997,550.70 is: 117,000,785.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,749,527.09 : 412,140,000.80 = 77,997,550.70 : x
  2. Step 2: Convert to fraction form
    274,749,527.09/412,140,000.80 = 77,997,550.70/x
  3. Step 3: Cross multiply
    274,749,527.09x = 412,140,000.80 × 77,997,550.70
  4. Step 4: Simplify right side
    274,749,527.09x = 32,145,910,609,121,384
  5. Step 5: Solve for x
    x = 32,145,910,609,121,384/274,749,527.09
  6. Step 6: Final answer
    x = 117,000,785.95

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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.