Home / 111,136,845.70-153,319,993.86-67,059,260.38

Finding the Fourth Proportional to 111,136,845.70, 153,319,993.86 and 67,059,260.38

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Solution

The fourth proportional to 111,136,845.70, 153,319,993.86 and 67,059,260.38 is: 92,512,301.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,136,845.70 : 153,319,993.86 = 67,059,260.38 : x
  2. Step 2: Convert to fraction form
    111,136,845.70/153,319,993.86 = 67,059,260.38/x
  3. Step 3: Cross multiply
    111,136,845.70x = 153,319,993.86 × 67,059,260.38
  4. Step 4: Simplify right side
    111,136,845.70x = 10,281,525,389,717,742
  5. Step 5: Solve for x
    x = 10,281,525,389,717,742/111,136,845.70
  6. Step 6: Final answer
    x = 92,512,301.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.