Home / 87,598,431.10-120,886,617.81-48,442,842.10

Finding the Fourth Proportional to 87,598,431.10, 120,886,617.81 and 48,442,842.10

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Solution

The fourth proportional to 87,598,431.10, 120,886,617.81 and 48,442,842.10 is: 66,851,555.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,598,431.10 : 120,886,617.81 = 48,442,842.10 : x
  2. Step 2: Convert to fraction form
    87,598,431.10/120,886,617.81 = 48,442,842.10/x
  3. Step 3: Cross multiply
    87,598,431.10x = 120,886,617.81 × 48,442,842.10
  4. Step 4: Simplify right side
    87,598,431.10x = 5,856,091,338,572,878
  5. Step 5: Solve for x
    x = 5,856,091,338,572,878/87,598,431.10
  6. Step 6: Final answer
    x = 66,851,555.05

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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.