Home / 91,028,890.80-136,520,609.44-35,707,970.16

Finding the Fourth Proportional to 91,028,890.80, 136,520,609.44 and 35,707,970.16

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Solution

The fourth proportional to 91,028,890.80, 136,520,609.44 and 35,707,970.16 is: 53,553,040.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,028,890.80 : 136,520,609.44 = 35,707,970.16 : x
  2. Step 2: Convert to fraction form
    91,028,890.80/136,520,609.44 = 35,707,970.16/x
  3. Step 3: Cross multiply
    91,028,890.80x = 136,520,609.44 × 35,707,970.16
  4. Step 4: Simplify right side
    91,028,890.80x = 4,874,873,848,108,534
  5. Step 5: Solve for x
    x = 4,874,873,848,108,534/91,028,890.80
  6. Step 6: Final answer
    x = 53,553,040.20

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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.