Home / 118,017,285.39-177,012,310.32-31,748,912.55

Finding the Fourth Proportional to 118,017,285.39, 177,012,310.32 and 31,748,912.55

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Solution

The fourth proportional to 118,017,285.39, 177,012,310.32 and 31,748,912.55 is: 47,619,705.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,017,285.39 : 177,012,310.32 = 31,748,912.55 : x
  2. Step 2: Convert to fraction form
    118,017,285.39/177,012,310.32 = 31,748,912.55/x
  3. Step 3: Cross multiply
    118,017,285.39x = 177,012,310.32 × 31,748,912.55
  4. Step 4: Simplify right side
    118,017,285.39x = 5,619,948,360,623,142
  5. Step 5: Solve for x
    x = 5,619,948,360,623,142/118,017,285.39
  6. Step 6: Final answer
    x = 47,619,705.39

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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.