Home / 89,885,929.80-134,828,894.70-88,990,134.60

Finding the Fourth Proportional to 89,885,929.80, 134,828,894.70 and 88,990,134.60

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Solution

The fourth proportional to 89,885,929.80, 134,828,894.70 and 88,990,134.60 is: 133,485,201.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,885,929.80 : 134,828,894.70 = 88,990,134.60 : x
  2. Step 2: Convert to fraction form
    89,885,929.80/134,828,894.70 = 88,990,134.60/x
  3. Step 3: Cross multiply
    89,885,929.80x = 134,828,894.70 × 88,990,134.60
  4. Step 4: Simplify right side
    89,885,929.80x = 11,998,441,487,322,224
  5. Step 5: Solve for x
    x = 11,998,441,487,322,224/89,885,929.80
  6. Step 6: Final answer
    x = 133,485,201.90

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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.