Home / 112,339,944.80-168,509,917.20-99,585,360.80

Finding the Fourth Proportional to 112,339,944.80, 168,509,917.20 and 99,585,360.80

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Solution

The fourth proportional to 112,339,944.80, 168,509,917.20 and 99,585,360.80 is: 149,378,041.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,339,944.80 : 168,509,917.20 = 99,585,360.80 : x
  2. Step 2: Convert to fraction form
    112,339,944.80/168,509,917.20 = 99,585,360.80/x
  3. Step 3: Cross multiply
    112,339,944.80x = 168,509,917.20 × 99,585,360.80
  4. Step 4: Simplify right side
    112,339,944.80x = 16,781,120,902,740,124
  5. Step 5: Solve for x
    x = 16,781,120,902,740,124/112,339,944.80
  6. Step 6: Final answer
    x = 149,378,041.20

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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.