Home / 131,048,767.77-180,847,087.31-72,311,388.57

Finding the Fourth Proportional to 131,048,767.77, 180,847,087.31 and 72,311,388.57

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Solution

The fourth proportional to 131,048,767.77, 180,847,087.31 and 72,311,388.57 is: 99,789,599.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,048,767.77 : 180,847,087.31 = 72,311,388.57 : x
  2. Step 2: Convert to fraction form
    131,048,767.77/180,847,087.31 = 72,311,388.57/x
  3. Step 3: Cross multiply
    131,048,767.77x = 180,847,087.31 × 72,311,388.57
  4. Step 4: Simplify right side
    131,048,767.77x = 13,077,304,001,864,568
  5. Step 5: Solve for x
    x = 13,077,304,001,864,568/131,048,767.77
  6. Step 6: Final answer
    x = 99,789,599.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.