Home / 89,912,085.82-124,078,676.93-48,658,978.20

Finding the Fourth Proportional to 89,912,085.82, 124,078,676.93 and 48,658,978.20

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Solution

The fourth proportional to 89,912,085.82, 124,078,676.93 and 48,658,978.20 is: 67,149,389.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,912,085.82 : 124,078,676.93 = 48,658,978.20 : x
  2. Step 2: Convert to fraction form
    89,912,085.82/124,078,676.93 = 48,658,978.20/x
  3. Step 3: Cross multiply
    89,912,085.82x = 124,078,676.93 × 48,658,978.20
  4. Step 4: Simplify right side
    89,912,085.82x = 6,037,541,635,821,714
  5. Step 5: Solve for x
    x = 6,037,541,635,821,714/89,912,085.82
  6. Step 6: Final answer
    x = 67,149,389.10

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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.