Home / 116,655,490.82-160,984,072.40-64,444,523.78

Finding the Fourth Proportional to 116,655,490.82, 160,984,072.40 and 64,444,523.78

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Solution

The fourth proportional to 116,655,490.82, 160,984,072.40 and 64,444,523.78 is: 88,933,163.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,655,490.82 : 160,984,072.40 = 64,444,523.78 : x
  2. Step 2: Convert to fraction form
    116,655,490.82/160,984,072.40 = 64,444,523.78/x
  3. Step 3: Cross multiply
    116,655,490.82x = 160,984,072.40 × 64,444,523.78
  4. Step 4: Simplify right side
    116,655,490.82x = 10,374,541,881,983,042
  5. Step 5: Solve for x
    x = 10,374,541,881,983,042/116,655,490.82
  6. Step 6: Final answer
    x = 88,933,163.87

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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.