Home / 187,958,666.24-281,951,587.86-78,673,926.32

Finding the Fourth Proportional to 187,958,666.24, 281,951,587.86 and 78,673,926.32

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Solution

The fourth proportional to 187,958,666.24, 281,951,587.86 and 78,673,926.32 is: 118,016,577.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,958,666.24 : 281,951,587.86 = 78,673,926.32 : x
  2. Step 2: Convert to fraction form
    187,958,666.24/281,951,587.86 = 78,673,926.32/x
  3. Step 3: Cross multiply
    187,958,666.24x = 281,951,587.86 × 78,673,926.32
  4. Step 4: Simplify right side
    187,958,666.24x = 22,182,238,449,104,644
  5. Step 5: Solve for x
    x = 22,182,238,449,104,644/187,958,666.24
  6. Step 6: Final answer
    x = 118,016,577.22

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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.