Home / 134,102,945.44-185,020,472.19-78,308,117.61

Finding the Fourth Proportional to 134,102,945.44, 185,020,472.19 and 78,308,117.61

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Solution

The fourth proportional to 134,102,945.44, 185,020,472.19 and 78,308,117.61 is: 108,040,914.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,102,945.44 : 185,020,472.19 = 78,308,117.61 : x
  2. Step 2: Convert to fraction form
    134,102,945.44/185,020,472.19 = 78,308,117.61/x
  3. Step 3: Cross multiply
    134,102,945.44x = 185,020,472.19 × 78,308,117.61
  4. Step 4: Simplify right side
    134,102,945.44x = 14,488,604,896,512,254
  5. Step 5: Solve for x
    x = 14,488,604,896,512,254/134,102,945.44
  6. Step 6: Final answer
    x = 108,040,914.75

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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.