Home / 90,990,020.20-136,485,030.30-26,295,935.80

Finding the Fourth Proportional to 90,990,020.20, 136,485,030.30 and 26,295,935.80

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Solution

The fourth proportional to 90,990,020.20, 136,485,030.30 and 26,295,935.80 is: 39,443,903.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,990,020.20 : 136,485,030.30 = 26,295,935.80 : x
  2. Step 2: Convert to fraction form
    90,990,020.20/136,485,030.30 = 26,295,935.80/x
  3. Step 3: Cross multiply
    90,990,020.20x = 136,485,030.30 × 26,295,935.80
  4. Step 4: Simplify right side
    90,990,020.20x = 3,589,001,594,429,855
  5. Step 5: Solve for x
    x = 3,589,001,594,429,855/90,990,020.20
  6. Step 6: Final answer
    x = 39,443,903.70

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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.