Home / 90,968,288.80-136,452,433.20-88,576,804.30

Finding the Fourth Proportional to 90,968,288.80, 136,452,433.20 and 88,576,804.30

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Solution

The fourth proportional to 90,968,288.80, 136,452,433.20 and 88,576,804.30 is: 132,865,206.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,968,288.80 : 136,452,433.20 = 88,576,804.30 : x
  2. Step 2: Convert to fraction form
    90,968,288.80/136,452,433.20 = 88,576,804.30/x
  3. Step 3: Cross multiply
    90,968,288.80x = 136,452,433.20 × 88,576,804.30
  4. Step 4: Simplify right side
    90,968,288.80x = 12,086,520,471,815,222
  5. Step 5: Solve for x
    x = 12,086,520,471,815,222/90,968,288.80
  6. Step 6: Final answer
    x = 132,865,206.45

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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.