Home / 89,977,901.67-124,173,339.08-50,285,431.25

Finding the Fourth Proportional to 89,977,901.67, 124,173,339.08 and 50,285,431.25

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Solution

The fourth proportional to 89,977,901.67, 124,173,339.08 and 50,285,431.25 is: 69,396,038.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,977,901.67 : 124,173,339.08 = 50,285,431.25 : x
  2. Step 2: Convert to fraction form
    89,977,901.67/124,173,339.08 = 50,285,431.25/x
  3. Step 3: Cross multiply
    89,977,901.67x = 124,173,339.08 × 50,285,431.25
  4. Step 4: Simplify right side
    89,977,901.67x = 6,244,109,904,517,984
  5. Step 5: Solve for x
    x = 6,244,109,904,517,984/89,977,901.67
  6. Step 6: Final answer
    x = 69,396,038.23

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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.