Home / 118,998,531.76-164,217,973.48-66,787,567.44

Finding the Fourth Proportional to 118,998,531.76, 164,217,973.48 and 66,787,567.44

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Solution

The fourth proportional to 118,998,531.76, 164,217,973.48 and 66,787,567.44 is: 92,166,842.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,998,531.76 : 164,217,973.48 = 66,787,567.44 : x
  2. Step 2: Convert to fraction form
    118,998,531.76/164,217,973.48 = 66,787,567.44/x
  3. Step 3: Cross multiply
    118,998,531.76x = 164,217,973.48 × 66,787,567.44
  4. Step 4: Simplify right side
    118,998,531.76x = 10,967,718,978,655,630
  5. Step 5: Solve for x
    x = 10,967,718,978,655,630/118,998,531.76
  6. Step 6: Final answer
    x = 92,166,842.87

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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.