Home / 109,015,489.24-150,403,384.86-69,878,844.76

Finding the Fourth Proportional to 109,015,489.24, 150,403,384.86 and 69,878,844.76

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Solution

The fourth proportional to 109,015,489.24, 150,403,384.86 and 69,878,844.76 is: 96,408,454.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,015,489.24 : 150,403,384.86 = 69,878,844.76 : x
  2. Step 2: Convert to fraction form
    109,015,489.24/150,403,384.86 = 69,878,844.76/x
  3. Step 3: Cross multiply
    109,015,489.24x = 150,403,384.86 × 69,878,844.76
  4. Step 4: Simplify right side
    109,015,489.24x = 10,510,014,782,010,476
  5. Step 5: Solve for x
    x = 10,510,014,782,010,476/109,015,489.24
  6. Step 6: Final answer
    x = 96,408,454.02

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