Home / 165,931,885.38-228,985,967.31-91,592,426.11

Finding the Fourth Proportional to 165,931,885.38, 228,985,967.31 and 91,592,426.11

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Solution

The fourth proportional to 165,931,885.38, 228,985,967.31 and 91,592,426.11 is: 126,397,528.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,931,885.38 : 228,985,967.31 = 91,592,426.11 : x
  2. Step 2: Convert to fraction form
    165,931,885.38/228,985,967.31 = 91,592,426.11/x
  3. Step 3: Cross multiply
    165,931,885.38x = 228,985,967.31 × 91,592,426.11
  4. Step 4: Simplify right side
    165,931,885.38x = 20,973,380,291,068,052
  5. Step 5: Solve for x
    x = 20,973,380,291,068,052/165,931,885.38
  6. Step 6: Final answer
    x = 126,397,528.98

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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.