Home / 89,709,165.78-123,798,698.44-48,456,058.16

Finding the Fourth Proportional to 89,709,165.78, 123,798,698.44 and 48,456,058.16

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Solution

The fourth proportional to 89,709,165.78, 123,798,698.44 and 48,456,058.16 is: 66,869,387.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,709,165.78 : 123,798,698.44 = 48,456,058.16 : x
  2. Step 2: Convert to fraction form
    89,709,165.78/123,798,698.44 = 48,456,058.16/x
  3. Step 3: Cross multiply
    89,709,165.78x = 123,798,698.44 × 48,456,058.16
  4. Step 4: Simplify right side
    89,709,165.78x = 5,998,796,931,740,941
  5. Step 5: Solve for x
    x = 5,998,796,931,740,941/89,709,165.78
  6. Step 6: Final answer
    x = 66,869,387.09

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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.