Home / 268,602,403.20-402,903,604.80-132,259,574.40

Finding the Fourth Proportional to 268,602,403.20, 402,903,604.80 and 132,259,574.40

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Solution

The fourth proportional to 268,602,403.20, 402,903,604.80 and 132,259,574.40 is: 198,389,361.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,602,403.20 : 402,903,604.80 = 132,259,574.40 : x
  2. Step 2: Convert to fraction form
    268,602,403.20/402,903,604.80 = 132,259,574.40/x
  3. Step 3: Cross multiply
    268,602,403.20x = 402,903,604.80 × 132,259,574.40
  4. Step 4: Simplify right side
    268,602,403.20x = 53,287,859,295,073,800
  5. Step 5: Solve for x
    x = 53,287,859,295,073,800/268,602,403.20
  6. Step 6: Final answer
    x = 198,389,361.60

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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.