Home / 118,045,497.83-177,068,246.74-105,609,778.43

Finding the Fourth Proportional to 118,045,497.83, 177,068,246.74 and 105,609,778.43

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Solution

The fourth proportional to 118,045,497.83, 177,068,246.74 and 105,609,778.43 is: 158,414,667.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,045,497.83 : 177,068,246.74 = 105,609,778.43 : x
  2. Step 2: Convert to fraction form
    118,045,497.83/177,068,246.74 = 105,609,778.43/x
  3. Step 3: Cross multiply
    118,045,497.83x = 177,068,246.74 × 105,609,778.43
  4. Step 4: Simplify right side
    118,045,497.83x = 18,700,138,304,050,604
  5. Step 5: Solve for x
    x = 18,700,138,304,050,604/118,045,497.83
  6. Step 6: Final answer
    x = 158,414,667.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.