Home / 119,102,146.89-164,353,757.52-66,177,044.86

Finding the Fourth Proportional to 119,102,146.89, 164,353,757.52 and 66,177,044.86

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Solution

The fourth proportional to 119,102,146.89, 164,353,757.52 and 66,177,044.86 is: 91,320,318.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,102,146.89 : 164,353,757.52 = 66,177,044.86 : x
  2. Step 2: Convert to fraction form
    119,102,146.89/164,353,757.52 = 66,177,044.86/x
  3. Step 3: Cross multiply
    119,102,146.89x = 164,353,757.52 × 66,177,044.86
  4. Step 4: Simplify right side
    119,102,146.89x = 10,876,445,984,310,602
  5. Step 5: Solve for x
    x = 10,876,445,984,310,602/119,102,146.89
  6. Step 6: Final answer
    x = 91,320,318.47

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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.