Home / 90,783,603.20-136,187,846.40-30,193,011.20

Finding the Fourth Proportional to 90,783,603.20, 136,187,846.40 and 30,193,011.20

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Solution

The fourth proportional to 90,783,603.20, 136,187,846.40 and 30,193,011.20 is: 45,293,654.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,783,603.20 : 136,187,846.40 = 30,193,011.20 : x
  2. Step 2: Convert to fraction form
    90,783,603.20/136,187,846.40 = 30,193,011.20/x
  3. Step 3: Cross multiply
    90,783,603.20x = 136,187,846.40 × 30,193,011.20
  4. Step 4: Simplify right side
    90,783,603.20x = 4,111,921,171,659,080
  5. Step 5: Solve for x
    x = 4,111,921,171,659,080/90,783,603.20
  6. Step 6: Final answer
    x = 45,293,654.65

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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.