Home / 90,274,379.92-124,576,864.95-53,108,676.88

Finding the Fourth Proportional to 90,274,379.92, 124,576,864.95 and 53,108,676.88

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Solution

The fourth proportional to 90,274,379.92, 124,576,864.95 and 53,108,676.88 is: 73,288,927.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,274,379.92 : 124,576,864.95 = 53,108,676.88 : x
  2. Step 2: Convert to fraction form
    90,274,379.92/124,576,864.95 = 53,108,676.88/x
  3. Step 3: Cross multiply
    90,274,379.92x = 124,576,864.95 × 53,108,676.88
  4. Step 4: Simplify right side
    90,274,379.92x = 6,616,112,467,409,355
  5. Step 5: Solve for x
    x = 6,616,112,467,409,355/90,274,379.92
  6. Step 6: Final answer
    x = 73,288,927.30

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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.