Home / 90,058,181.54-124,280,396.81-48,805,073.92

Finding the Fourth Proportional to 90,058,181.54, 124,280,396.81 and 48,805,073.92

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Solution

The fourth proportional to 90,058,181.54, 124,280,396.81 and 48,805,073.92 is: 67,351,059.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,058,181.54 : 124,280,396.81 = 48,805,073.92 : x
  2. Step 2: Convert to fraction form
    90,058,181.54/124,280,396.81 = 48,805,073.92/x
  3. Step 3: Cross multiply
    90,058,181.54x = 124,280,396.81 × 48,805,073.92
  4. Step 4: Simplify right side
    90,058,181.54x = 6,065,513,953,118,983
  5. Step 5: Solve for x
    x = 6,065,513,953,118,983/90,058,181.54
  6. Step 6: Final answer
    x = 67,351,059.61

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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.