Home / 202,454,149.32-279,386,995.50-109,634,817.24

Finding the Fourth Proportional to 202,454,149.32, 279,386,995.50 and 109,634,817.24

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Solution

The fourth proportional to 202,454,149.32, 279,386,995.50 and 109,634,817.24 is: 151,296,193.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,454,149.32 : 279,386,995.50 = 109,634,817.24 : x
  2. Step 2: Convert to fraction form
    202,454,149.32/279,386,995.50 = 109,634,817.24/x
  3. Step 3: Cross multiply
    202,454,149.32x = 279,386,995.50 × 109,634,817.24
  4. Step 4: Simplify right side
    202,454,149.32x = 30,630,542,190,875,200
  5. Step 5: Solve for x
    x = 30,630,542,190,875,200/202,454,149.32
  6. Step 6: Final answer
    x = 151,296,193.70

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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.