Home / 131,711,706.22-181,763,616.80-72,975,296.56

Finding the Fourth Proportional to 131,711,706.22, 181,763,616.80 and 72,975,296.56

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Solution

The fourth proportional to 131,711,706.22, 181,763,616.80 and 72,975,296.56 is: 100,706,719.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,711,706.22 : 181,763,616.80 = 72,975,296.56 : x
  2. Step 2: Convert to fraction form
    131,711,706.22/181,763,616.80 = 72,975,296.56/x
  3. Step 3: Cross multiply
    131,711,706.22x = 181,763,616.80 × 72,975,296.56
  4. Step 4: Simplify right side
    131,711,706.22x = 13,264,253,839,798,200
  5. Step 5: Solve for x
    x = 13,264,253,839,798,200/131,711,706.22
  6. Step 6: Final answer
    x = 100,706,719.40

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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.