Home / 268,273,145.20-402,409,717.80-190,338,962.80

Finding the Fourth Proportional to 268,273,145.20, 402,409,717.80 and 190,338,962.80

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Solution

The fourth proportional to 268,273,145.20, 402,409,717.80 and 190,338,962.80 is: 285,508,444.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,273,145.20 : 402,409,717.80 = 190,338,962.80 : x
  2. Step 2: Convert to fraction form
    268,273,145.20/402,409,717.80 = 190,338,962.80/x
  3. Step 3: Cross multiply
    268,273,145.20x = 402,409,717.80 × 190,338,962.80
  4. Step 4: Simplify right side
    268,273,145.20x = 76,594,248,306,692,704
  5. Step 5: Solve for x
    x = 76,594,248,306,692,704/268,273,145.20
  6. Step 6: Final answer
    x = 285,508,444.20

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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.