Home / 131,711,706.72-181,763,617.49-72,975,297.06

Finding the Fourth Proportional to 131,711,706.72, 181,763,617.49 and 72,975,297.06

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Solution

The fourth proportional to 131,711,706.72, 181,763,617.49 and 72,975,297.06 is: 100,706,720.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,711,706.72 : 181,763,617.49 = 72,975,297.06 : x
  2. Step 2: Convert to fraction form
    131,711,706.72/181,763,617.49 = 72,975,297.06/x
  3. Step 3: Cross multiply
    131,711,706.72x = 181,763,617.49 × 72,975,297.06
  4. Step 4: Simplify right side
    131,711,706.72x = 13,264,253,981,032,962
  5. Step 5: Solve for x
    x = 13,264,253,981,032,962/131,711,706.72
  6. Step 6: Final answer
    x = 100,706,720.09

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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.