Home / 91,303,990.49-136,870,253.90-30,677,317.85

Finding the Fourth Proportional to 91,303,990.49, 136,870,253.90 and 30,677,317.85

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Solution

The fourth proportional to 91,303,990.49, 136,870,253.90 and 30,677,317.85 is: 45,987,171.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,303,990.49 : 136,870,253.90 = 30,677,317.85 : x
  2. Step 2: Convert to fraction form
    91,303,990.49/136,870,253.90 = 30,677,317.85/x
  3. Step 3: Cross multiply
    91,303,990.49x = 136,870,253.90 × 30,677,317.85
  4. Step 4: Simplify right side
    91,303,990.49x = 4,198,812,283,289,291.50
  5. Step 5: Solve for x
    x = 4,198,812,283,289,291.50/91,303,990.49
  6. Step 6: Final answer
    x = 45,987,171.65

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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.