Home / 77,049,253.32-106,325,146.26-42,241,181.64

Finding the Fourth Proportional to 77,049,253.32, 106,325,146.26 and 42,241,181.64

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Solution

The fourth proportional to 77,049,253.32, 106,325,146.26 and 42,241,181.64 is: 58,291,282.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,049,253.32 : 106,325,146.26 = 42,241,181.64 : x
  2. Step 2: Convert to fraction form
    77,049,253.32/106,325,146.26 = 42,241,181.64/x
  3. Step 3: Cross multiply
    77,049,253.32x = 106,325,146.26 × 42,241,181.64
  4. Step 4: Simplify right side
    77,049,253.32x = 4,491,299,816,068,227
  5. Step 5: Solve for x
    x = 4,491,299,816,068,227/77,049,253.32
  6. Step 6: Final answer
    x = 58,291,282.82

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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.