Home / 102,708,832.37-141,655,542.98-90,292,377.74

Finding the Fourth Proportional to 102,708,832.37, 141,655,542.98 and 90,292,377.74

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Solution

The fourth proportional to 102,708,832.37, 141,655,542.98 and 90,292,377.74 is: 124,530,826.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,708,832.37 : 141,655,542.98 = 90,292,377.74 : x
  2. Step 2: Convert to fraction form
    102,708,832.37/141,655,542.98 = 90,292,377.74/x
  3. Step 3: Cross multiply
    102,708,832.37x = 141,655,542.98 × 90,292,377.74
  4. Step 4: Simplify right side
    102,708,832.37x = 12,790,415,794,555,226
  5. Step 5: Solve for x
    x = 12,790,415,794,555,226/102,708,832.37
  6. Step 6: Final answer
    x = 124,530,826.61

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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.