Home / 112,324,805.70-168,151,285.35-66,863,199.30

Finding the Fourth Proportional to 112,324,805.70, 168,151,285.35 and 66,863,199.30

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Solution

The fourth proportional to 112,324,805.70, 168,151,285.35 and 66,863,199.30 is: 100,094,835.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,324,805.70 : 168,151,285.35 = 66,863,199.30 : x
  2. Step 2: Convert to fraction form
    112,324,805.70/168,151,285.35 = 66,863,199.30/x
  3. Step 3: Cross multiply
    112,324,805.70x = 168,151,285.35 × 66,863,199.30
  4. Step 4: Simplify right side
    112,324,805.70x = 11,243,132,904,908,220
  5. Step 5: Solve for x
    x = 11,243,132,904,908,220/112,324,805.70
  6. Step 6: Final answer
    x = 100,094,835.11

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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.