Home / 92,763,691.20-139,162,642.52-30,518,508.42

Finding the Fourth Proportional to 92,763,691.20, 139,162,642.52 and 30,518,508.42

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Solution

The fourth proportional to 92,763,691.20, 139,162,642.52 and 30,518,508.42 is: 45,783,390.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,763,691.20 : 139,162,642.52 = 30,518,508.42 : x
  2. Step 2: Convert to fraction form
    92,763,691.20/139,162,642.52 = 30,518,508.42/x
  3. Step 3: Cross multiply
    92,763,691.20x = 139,162,642.52 × 30,518,508.42
  4. Step 4: Simplify right side
    92,763,691.20x = 4,247,036,277,343,477.50
  5. Step 5: Solve for x
    x = 4,247,036,277,343,477.50/92,763,691.20
  6. Step 6: Final answer
    x = 45,783,390.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.