Home / 187,345,051.11-281,179,001.84-129,877,678.58

Finding the Fourth Proportional to 187,345,051.11, 281,179,001.84 and 129,877,678.58

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Solution

The fourth proportional to 187,345,051.11, 281,179,001.84 and 129,877,678.58 is: 194,928,426.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,345,051.11 : 281,179,001.84 = 129,877,678.58 : x
  2. Step 2: Convert to fraction form
    187,345,051.11/281,179,001.84 = 129,877,678.58/x
  3. Step 3: Cross multiply
    187,345,051.11x = 281,179,001.84 × 129,877,678.58
  4. Step 4: Simplify right side
    187,345,051.11x = 36,518,876,022,365,464
  5. Step 5: Solve for x
    x = 36,518,876,022,365,464/187,345,051.11
  6. Step 6: Final answer
    x = 194,928,426.48

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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.