Home / 112,453,431.40-168,680,147.10-67,066,474.60

Finding the Fourth Proportional to 112,453,431.40, 168,680,147.10 and 67,066,474.60

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Solution

The fourth proportional to 112,453,431.40, 168,680,147.10 and 67,066,474.60 is: 100,599,711.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,453,431.40 : 168,680,147.10 = 67,066,474.60 : x
  2. Step 2: Convert to fraction form
    112,453,431.40/168,680,147.10 = 67,066,474.60/x
  3. Step 3: Cross multiply
    112,453,431.40x = 168,680,147.10 × 67,066,474.60
  4. Step 4: Simplify right side
    112,453,431.40x = 11,312,782,801,006,414
  5. Step 5: Solve for x
    x = 11,312,782,801,006,414/112,453,431.40
  6. Step 6: Final answer
    x = 100,599,711.90

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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.