Home / 90,058,188.06-124,280,405.78-48,805,080.44

Finding the Fourth Proportional to 90,058,188.06, 124,280,405.78 and 48,805,080.44

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Solution

The fourth proportional to 90,058,188.06, 124,280,405.78 and 48,805,080.44 is: 67,351,068.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,058,188.06 : 124,280,405.78 = 48,805,080.44 : x
  2. Step 2: Convert to fraction form
    90,058,188.06/124,280,405.78 = 48,805,080.44/x
  3. Step 3: Cross multiply
    90,058,188.06x = 124,280,405.78 × 48,805,080.44
  4. Step 4: Simplify right side
    90,058,188.06x = 6,065,515,200,343,314
  5. Step 5: Solve for x
    x = 6,065,515,200,343,314/90,058,188.06
  6. Step 6: Final answer
    x = 67,351,068.58

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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.