Home / 85,102,826.46-127,654,238.73-21,277,418.46

Finding the Fourth Proportional to 85,102,826.46, 127,654,238.73 and 21,277,418.46

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Solution

The fourth proportional to 85,102,826.46, 127,654,238.73 and 21,277,418.46 is: 31,916,127.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,102,826.46 : 127,654,238.73 = 21,277,418.46 : x
  2. Step 2: Convert to fraction form
    85,102,826.46/127,654,238.73 = 21,277,418.46/x
  3. Step 3: Cross multiply
    85,102,826.46x = 127,654,238.73 × 21,277,418.46
  4. Step 4: Simplify right side
    85,102,826.46x = 2,716,152,655,650,949
  5. Step 5: Solve for x
    x = 2,716,152,655,650,949/85,102,826.46
  6. Step 6: Final answer
    x = 31,916,127.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.