Home / 310,296,662.40-465,444,993.60-137,590,147.20

Finding the Fourth Proportional to 310,296,662.40, 465,444,993.60 and 137,590,147.20

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Solution

The fourth proportional to 310,296,662.40, 465,444,993.60 and 137,590,147.20 is: 206,385,220.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,296,662.40 : 465,444,993.60 = 137,590,147.20 : x
  2. Step 2: Convert to fraction form
    310,296,662.40/465,444,993.60 = 137,590,147.20/x
  3. Step 3: Cross multiply
    310,296,662.40x = 465,444,993.60 × 137,590,147.20
  4. Step 4: Simplify right side
    310,296,662.40x = 64,040,645,182,927,056
  5. Step 5: Solve for x
    x = 64,040,645,182,927,056/310,296,662.40
  6. Step 6: Final answer
    x = 206,385,220.80

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1.5x scale

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.