Home / 111,121,194.30-153,347,208.39-61,564,780.86

Finding the Fourth Proportional to 111,121,194.30, 153,347,208.39 and 61,564,780.86

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Solution

The fourth proportional to 111,121,194.30, 153,347,208.39 and 61,564,780.86 is: 84,959,375.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,121,194.30 : 153,347,208.39 = 61,564,780.86 : x
  2. Step 2: Convert to fraction form
    111,121,194.30/153,347,208.39 = 61,564,780.86/x
  3. Step 3: Cross multiply
    111,121,194.30x = 153,347,208.39 × 61,564,780.86
  4. Step 4: Simplify right side
    111,121,194.30x = 9,440,787,280,023,102
  5. Step 5: Solve for x
    x = 9,440,787,280,023,102/111,121,194.30
  6. Step 6: Final answer
    x = 84,959,375.57

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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.