Home / 119,441,527.35-164,856,190.78-78,164,504.88

Finding the Fourth Proportional to 119,441,527.35, 164,856,190.78 and 78,164,504.88

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Solution

The fourth proportional to 119,441,527.35, 164,856,190.78 and 78,164,504.88 is: 107,884,609.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,441,527.35 : 164,856,190.78 = 78,164,504.88 : x
  2. Step 2: Convert to fraction form
    119,441,527.35/164,856,190.78 = 78,164,504.88/x
  3. Step 3: Cross multiply
    119,441,527.35x = 164,856,190.78 × 78,164,504.88
  4. Step 4: Simplify right side
    119,441,527.35x = 12,885,902,528,721,520
  5. Step 5: Solve for x
    x = 12,885,902,528,721,520/119,441,527.35
  6. Step 6: Final answer
    x = 107,884,609.44

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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.