Home / 202,454,152.57-279,386,999.99-109,634,820.49

Finding the Fourth Proportional to 202,454,152.57, 279,386,999.99 and 109,634,820.49

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Solution

The fourth proportional to 202,454,152.57, 279,386,999.99 and 109,634,820.49 is: 151,296,198.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,454,152.57 : 279,386,999.99 = 109,634,820.49 : x
  2. Step 2: Convert to fraction form
    202,454,152.57/279,386,999.99 = 109,634,820.49/x
  3. Step 3: Cross multiply
    202,454,152.57x = 279,386,999.99 × 109,634,820.49
  4. Step 4: Simplify right side
    202,454,152.57x = 30,630,543,591,143,280
  5. Step 5: Solve for x
    x = 30,630,543,591,143,280/202,454,152.57
  6. Step 6: Final answer
    x = 151,296,198.19

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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.