Home / 278,010,200.40-417,214,366.20-116,567,998.80

Finding the Fourth Proportional to 278,010,200.40, 417,214,366.20 and 116,567,998.80

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Solution

The fourth proportional to 278,010,200.40, 417,214,366.20 and 116,567,998.80 is: 174,935,465.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,010,200.40 : 417,214,366.20 = 116,567,998.80 : x
  2. Step 2: Convert to fraction form
    278,010,200.40/417,214,366.20 = 116,567,998.80/x
  3. Step 3: Cross multiply
    278,010,200.40x = 417,214,366.20 × 116,567,998.80
  4. Step 4: Simplify right side
    278,010,200.40x = 48,633,843,738,544,360
  5. Step 5: Solve for x
    x = 48,633,843,738,544,360/278,010,200.40
  6. Step 6: Final answer
    x = 174,935,465.20

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1.5x scale

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.