Home / 87,217,029.88-120,362,068.62-48,061,328.90

Finding the Fourth Proportional to 87,217,029.88, 120,362,068.62 and 48,061,328.90

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Solution

The fourth proportional to 87,217,029.88, 120,362,068.62 and 48,061,328.90 is: 66,326,048.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,217,029.88 : 120,362,068.62 = 48,061,328.90 : x
  2. Step 2: Convert to fraction form
    87,217,029.88/120,362,068.62 = 48,061,328.90/x
  3. Step 3: Cross multiply
    87,217,029.88x = 120,362,068.62 × 48,061,328.90
  4. Step 4: Simplify right side
    87,217,029.88x = 5,784,760,967,030,189
  5. Step 5: Solve for x
    x = 5,784,760,967,030,189/87,217,029.88
  6. Step 6: Final answer
    x = 66,326,048.65

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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.