Home / 112,211,019.60-167,997,664.80-99,456,435.60

Finding the Fourth Proportional to 112,211,019.60, 167,997,664.80 and 99,456,435.60

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Solution

The fourth proportional to 112,211,019.60, 167,997,664.80 and 99,456,435.60 is: 148,902,032.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,211,019.60 : 167,997,664.80 = 99,456,435.60 : x
  2. Step 2: Convert to fraction form
    112,211,019.60/167,997,664.80 = 99,456,435.60/x
  3. Step 3: Cross multiply
    112,211,019.60x = 167,997,664.80 × 99,456,435.60
  4. Step 4: Simplify right side
    112,211,019.60x = 16,708,448,930,131,588
  5. Step 5: Solve for x
    x = 16,708,448,930,131,588/112,211,019.60
  6. Step 6: Final answer
    x = 148,902,032.88

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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.