Home / 90,644,015,120.32-125,088,861,362.16-49,998,015,069.76

Finding the Fourth Proportional to 90,644,015,120.32, 125,088,861,362.16 and 49,998,015,069.76

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Solution

The fourth proportional to 90,644,015,120.32, 125,088,861,362.16 and 49,998,015,069.76 is: 68,997,327,260.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,644,015,120.32 : 125,088,861,362.16 = 49,998,015,069.76 : x
  2. Step 2: Convert to fraction form
    90,644,015,120.32/125,088,861,362.16 = 49,998,015,069.76/x
  3. Step 3: Cross multiply
    90,644,015,120.32x = 125,088,861,362.16 × 49,998,015,069.76
  4. Step 4: Simplify right side
    90,644,015,120.32x = 6,254,194,775,444,395,393,024
  5. Step 5: Solve for x
    x = 6,254,194,775,444,395,393,024/90,644,015,120.32
  6. Step 6: Final answer
    x = 68,997,327,260.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.