Home / 268,272,128.40-402,408,192.60-195,145,846.80

Finding the Fourth Proportional to 268,272,128.40, 402,408,192.60 and 195,145,846.80

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Solution

The fourth proportional to 268,272,128.40, 402,408,192.60 and 195,145,846.80 is: 292,718,770.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,272,128.40 : 402,408,192.60 = 195,145,846.80 : x
  2. Step 2: Convert to fraction form
    268,272,128.40/402,408,192.60 = 195,145,846.80/x
  3. Step 3: Cross multiply
    268,272,128.40x = 402,408,192.60 × 195,145,846.80
  4. Step 4: Simplify right side
    268,272,128.40x = 78,528,287,504,184,496
  5. Step 5: Solve for x
    x = 78,528,287,504,184,496/268,272,128.40
  6. Step 6: Final answer
    x = 292,718,770.20

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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.