Home / 99,208,257.23-136,892,375.12-56,815,225.07

Finding the Fourth Proportional to 99,208,257.23, 136,892,375.12 and 56,815,225.07

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Solution

The fourth proportional to 99,208,257.23, 136,892,375.12 and 56,815,225.07 is: 78,396,408.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,208,257.23 : 136,892,375.12 = 56,815,225.07 : x
  2. Step 2: Convert to fraction form
    99,208,257.23/136,892,375.12 = 56,815,225.07/x
  3. Step 3: Cross multiply
    99,208,257.23x = 136,892,375.12 × 56,815,225.07
  4. Step 4: Simplify right side
    99,208,257.23x = 7,777,571,102,267,244
  5. Step 5: Solve for x
    x = 7,777,571,102,267,244/99,208,257.23
  6. Step 6: Final answer
    x = 78,396,408.92

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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.