Home / 165,646,154.64-228,601,920.60-91,306,547.52

Finding the Fourth Proportional to 165,646,154.64, 228,601,920.60 and 91,306,547.52

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Solution

The fourth proportional to 165,646,154.64, 228,601,920.60 and 91,306,547.52 is: 126,008,672.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,646,154.64 : 228,601,920.60 = 91,306,547.52 : x
  2. Step 2: Convert to fraction form
    165,646,154.64/228,601,920.60 = 91,306,547.52/x
  3. Step 3: Cross multiply
    165,646,154.64x = 228,601,920.60 × 91,306,547.52
  4. Step 4: Simplify right side
    165,646,154.64x = 20,872,852,126,427,164
  5. Step 5: Solve for x
    x = 20,872,852,126,427,164/165,646,154.64
  6. Step 6: Final answer
    x = 126,008,672.96

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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.