Home / 89,625,371.09-123,686,814.60-49,932,866.57

Finding the Fourth Proportional to 89,625,371.09, 123,686,814.60 and 49,932,866.57

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Solution

The fourth proportional to 89,625,371.09, 123,686,814.60 and 49,932,866.57 is: 68,909,474.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,625,371.09 : 123,686,814.60 = 49,932,866.57 : x
  2. Step 2: Convert to fraction form
    89,625,371.09/123,686,814.60 = 49,932,866.57/x
  3. Step 3: Cross multiply
    89,625,371.09x = 123,686,814.60 × 49,932,866.57
  4. Step 4: Simplify right side
    89,625,371.09x = 6,176,037,209,271,693
  5. Step 5: Solve for x
    x = 6,176,037,209,271,693/89,625,371.09
  6. Step 6: Final answer
    x = 68,909,474.34

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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.