Home / 268,345,659.80-402,518,489.70-242,517,627.20

Finding the Fourth Proportional to 268,345,659.80, 402,518,489.70 and 242,517,627.20

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Solution

The fourth proportional to 268,345,659.80, 402,518,489.70 and 242,517,627.20 is: 363,776,440.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,345,659.80 : 402,518,489.70 = 242,517,627.20 : x
  2. Step 2: Convert to fraction form
    268,345,659.80/402,518,489.70 = 242,517,627.20/x
  3. Step 3: Cross multiply
    268,345,659.80x = 402,518,489.70 × 242,517,627.20
  4. Step 4: Simplify right side
    268,345,659.80x = 97,617,829,026,171,632
  5. Step 5: Solve for x
    x = 97,617,829,026,171,632/268,345,659.80
  6. Step 6: Final answer
    x = 363,776,440.80

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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.