Home / 76,551,679.64-105,643,869-41,746,274.48

Finding the Fourth Proportional to 76,551,679.64, 105,643,869 and 41,746,274.48

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Solution

The fourth proportional to 76,551,679.64, 105,643,869 and 41,746,274.48 is: 57,611,249.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,551,679.64 : 105,643,869 = 41,746,274.48 : x
  2. Step 2: Convert to fraction form
    76,551,679.64/105,643,869 = 41,746,274.48/x
  3. Step 3: Cross multiply
    76,551,679.64x = 105,643,869 × 41,746,274.48
  4. Step 4: Simplify right side
    76,551,679.64x = 4,410,237,952,403,163
  5. Step 5: Solve for x
    x = 4,410,237,952,403,163/76,551,679.64
  6. Step 6: Final answer
    x = 57,611,249.98

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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.