Home / 82,736,037.72-114,172,047.52-47,428,530.98

Finding the Fourth Proportional to 82,736,037.72, 114,172,047.52 and 47,428,530.98

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Solution

The fourth proportional to 82,736,037.72, 114,172,047.52 and 47,428,530.98 is: 65,449,260.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,736,037.72 : 114,172,047.52 = 47,428,530.98 : x
  2. Step 2: Convert to fraction form
    82,736,037.72/114,172,047.52 = 47,428,530.98/x
  3. Step 3: Cross multiply
    82,736,037.72x = 114,172,047.52 × 47,428,530.98
  4. Step 4: Simplify right side
    82,736,037.72x = 5,415,012,492,162,921
  5. Step 5: Solve for x
    x = 5,415,012,492,162,921/82,736,037.72
  6. Step 6: Final answer
    x = 65,449,260.58

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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.