Home / 268,272,956.80-402,409,435.20-186,643,619.20

Finding the Fourth Proportional to 268,272,956.80, 402,409,435.20 and 186,643,619.20

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Solution

The fourth proportional to 268,272,956.80, 402,409,435.20 and 186,643,619.20 is: 279,965,428.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,272,956.80 : 402,409,435.20 = 186,643,619.20 : x
  2. Step 2: Convert to fraction form
    268,272,956.80/402,409,435.20 = 186,643,619.20/x
  3. Step 3: Cross multiply
    268,272,956.80x = 402,409,435.20 × 186,643,619.20
  4. Step 4: Simplify right side
    268,272,956.80x = 75,107,153,385,955,872
  5. Step 5: Solve for x
    x = 75,107,153,385,955,872/268,272,956.80
  6. Step 6: Final answer
    x = 279,965,428.80

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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.