Home / 186,722,846.15-257,677,884.27-103,091,138.57

Finding the Fourth Proportional to 186,722,846.15, 257,677,884.27 and 103,091,138.57

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Solution

The fourth proportional to 186,722,846.15, 257,677,884.27 and 103,091,138.57 is: 142,265,968.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,722,846.15 : 257,677,884.27 = 103,091,138.57 : x
  2. Step 2: Convert to fraction form
    186,722,846.15/257,677,884.27 = 103,091,138.57/x
  3. Step 3: Cross multiply
    186,722,846.15x = 257,677,884.27 × 103,091,138.57
  4. Step 4: Simplify right side
    186,722,846.15x = 26,564,306,474,347,192
  5. Step 5: Solve for x
    x = 26,564,306,474,347,192/186,722,846.15
  6. Step 6: Final answer
    x = 142,265,968.11

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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.