Home / 90,058,179.54-124,280,394.05-48,805,071.92

Finding the Fourth Proportional to 90,058,179.54, 124,280,394.05 and 48,805,071.92

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Solution

The fourth proportional to 90,058,179.54, 124,280,394.05 and 48,805,071.92 is: 67,351,056.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,058,179.54 : 124,280,394.05 = 48,805,071.92 : x
  2. Step 2: Convert to fraction form
    90,058,179.54/124,280,394.05 = 48,805,071.92/x
  3. Step 3: Cross multiply
    90,058,179.54x = 124,280,394.05 × 48,805,071.92
  4. Step 4: Simplify right side
    90,058,179.54x = 6,065,513,568,990,763
  5. Step 5: Solve for x
    x = 6,065,513,568,990,763/90,058,179.54
  6. Step 6: Final answer
    x = 67,351,056.84

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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.