Home / 137,584,270.40-206,376,405.60-55,702,990.40

Finding the Fourth Proportional to 137,584,270.40, 206,376,405.60 and 55,702,990.40

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Solution

The fourth proportional to 137,584,270.40, 206,376,405.60 and 55,702,990.40 is: 83,554,485.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,584,270.40 : 206,376,405.60 = 55,702,990.40 : x
  2. Step 2: Convert to fraction form
    137,584,270.40/206,376,405.60 = 55,702,990.40/x
  3. Step 3: Cross multiply
    137,584,270.40x = 206,376,405.60 × 55,702,990.40
  4. Step 4: Simplify right side
    137,584,270.40x = 11,495,782,939,923,306
  5. Step 5: Solve for x
    x = 11,495,782,939,923,306/137,584,270.40
  6. Step 6: Final answer
    x = 83,554,485.60

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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.