Home / 202,454,152.64-279,387,000.07-109,634,820.56

Finding the Fourth Proportional to 202,454,152.64, 279,387,000.07 and 109,634,820.56

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Solution

The fourth proportional to 202,454,152.64, 279,387,000.07 and 109,634,820.56 is: 151,296,198.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,454,152.64 : 279,387,000.07 = 109,634,820.56 : x
  2. Step 2: Convert to fraction form
    202,454,152.64/279,387,000.07 = 109,634,820.56/x
  3. Step 3: Cross multiply
    202,454,152.64x = 279,387,000.07 × 109,634,820.56
  4. Step 4: Simplify right side
    202,454,152.64x = 30,630,543,618,074,224
  5. Step 5: Solve for x
    x = 30,630,543,618,074,224/202,454,152.64
  6. Step 6: Final answer
    x = 151,296,198.27

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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.