Home / 165,619,494.40-228,551,932.52-90,266,497.98

Finding the Fourth Proportional to 165,619,494.40, 228,551,932.52 and 90,266,497.98

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Solution

The fourth proportional to 165,619,494.40, 228,551,932.52 and 90,266,497.98 is: 124,566,148.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,619,494.40 : 228,551,932.52 = 90,266,497.98 : x
  2. Step 2: Convert to fraction form
    165,619,494.40/228,551,932.52 = 90,266,497.98/x
  3. Step 3: Cross multiply
    165,619,494.40x = 228,551,932.52 × 90,266,497.98
  4. Step 4: Simplify right side
    165,619,494.40x = 20,630,582,555,141,680
  5. Step 5: Solve for x
    x = 20,630,582,555,141,680/165,619,494.40
  6. Step 6: Final answer
    x = 124,566,148.63

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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.