Home / 310,296,648.40-465,444,972.60-137,590,133.20

Finding the Fourth Proportional to 310,296,648.40, 465,444,972.60 and 137,590,133.20

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Solution

The fourth proportional to 310,296,648.40, 465,444,972.60 and 137,590,133.20 is: 206,385,199.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,296,648.40 : 465,444,972.60 = 137,590,133.20 : x
  2. Step 2: Convert to fraction form
    310,296,648.40/465,444,972.60 = 137,590,133.20/x
  3. Step 3: Cross multiply
    310,296,648.40x = 465,444,972.60 × 137,590,133.20
  4. Step 4: Simplify right side
    310,296,648.40x = 64,040,635,777,304,352
  5. Step 5: Solve for x
    x = 64,040,635,777,304,352/310,296,648.40
  6. Step 6: Final answer
    x = 206,385,199.80

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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.