Home / 131,335,076.34-181,242,770.63-71,797,091.88

Finding the Fourth Proportional to 131,335,076.34, 181,242,770.63 and 71,797,091.88

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Solution

The fourth proportional to 131,335,076.34, 181,242,770.63 and 71,797,091.88 is: 99,080,186.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,335,076.34 : 181,242,770.63 = 71,797,091.88 : x
  2. Step 2: Convert to fraction form
    131,335,076.34/181,242,770.63 = 71,797,091.88/x
  3. Step 3: Cross multiply
    131,335,076.34x = 181,242,770.63 × 71,797,091.88
  4. Step 4: Simplify right side
    131,335,076.34x = 13,012,703,855,553,106
  5. Step 5: Solve for x
    x = 13,012,703,855,553,106/131,335,076.34
  6. Step 6: Final answer
    x = 99,080,186.49

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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.