Home / 91,303,991.62-136,870,255.58-30,677,318.98

Finding the Fourth Proportional to 91,303,991.62, 136,870,255.58 and 30,677,318.98

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Solution

The fourth proportional to 91,303,991.62, 136,870,255.58 and 30,677,318.98 is: 45,987,173.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,303,991.62 : 136,870,255.58 = 30,677,318.98 : x
  2. Step 2: Convert to fraction form
    91,303,991.62/136,870,255.58 = 30,677,318.98/x
  3. Step 3: Cross multiply
    91,303,991.62x = 136,870,255.58 × 30,677,318.98
  4. Step 4: Simplify right side
    91,303,991.62x = 4,198,812,489,036,303
  5. Step 5: Solve for x
    x = 4,198,812,489,036,303/91,303,991.62
  6. Step 6: Final answer
    x = 45,987,173.34

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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.