Home / 165,931,885.89-228,985,968-91,592,426.61

Finding the Fourth Proportional to 165,931,885.89, 228,985,968 and 91,592,426.61

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Solution

The fourth proportional to 165,931,885.89, 228,985,968 and 91,592,426.61 is: 126,397,529.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,931,885.89 : 228,985,968 = 91,592,426.61 : x
  2. Step 2: Convert to fraction form
    165,931,885.89/228,985,968 = 91,592,426.61/x
  3. Step 3: Cross multiply
    165,931,885.89x = 228,985,968 × 91,592,426.61
  4. Step 4: Simplify right side
    165,931,885.89x = 20,973,380,468,759,808
  5. Step 5: Solve for x
    x = 20,973,380,468,759,808/165,931,885.89
  6. Step 6: Final answer
    x = 126,397,529.66

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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.