Home / 262,441,372.80-393,662,059.20-89,860,828.80

Finding the Fourth Proportional to 262,441,372.80, 393,662,059.20 and 89,860,828.80

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Solution

The fourth proportional to 262,441,372.80, 393,662,059.20 and 89,860,828.80 is: 134,791,243.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,441,372.80 : 393,662,059.20 = 89,860,828.80 : x
  2. Step 2: Convert to fraction form
    262,441,372.80/393,662,059.20 = 89,860,828.80/x
  3. Step 3: Cross multiply
    262,441,372.80x = 393,662,059.20 × 89,860,828.80
  4. Step 4: Simplify right side
    262,441,372.80x = 35,374,798,906,826,664
  5. Step 5: Solve for x
    x = 35,374,798,906,826,664/262,441,372.80
  6. Step 6: Final answer
    x = 134,791,243.20

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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.