Home / 159,072,072.13-219,516,018.86-92,093,854.78

Finding the Fourth Proportional to 159,072,072.13, 219,516,018.86 and 92,093,854.78

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Solution

The fourth proportional to 159,072,072.13, 219,516,018.86 and 92,093,854.78 is: 127,087,527.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,072,072.13 : 219,516,018.86 = 92,093,854.78 : x
  2. Step 2: Convert to fraction form
    159,072,072.13/219,516,018.86 = 92,093,854.78/x
  3. Step 3: Cross multiply
    159,072,072.13x = 219,516,018.86 × 92,093,854.78
  4. Step 4: Simplify right side
    159,072,072.13x = 20,216,076,361,528,868
  5. Step 5: Solve for x
    x = 20,216,076,361,528,868/159,072,072.13
  6. Step 6: Final answer
    x = 127,087,527.63

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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.