Home / 92,772,079.70-139,158,119.55-87,481,289.30

Finding the Fourth Proportional to 92,772,079.70, 139,158,119.55 and 87,481,289.30

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Solution

The fourth proportional to 92,772,079.70, 139,158,119.55 and 87,481,289.30 is: 131,221,933.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,772,079.70 : 139,158,119.55 = 87,481,289.30 : x
  2. Step 2: Convert to fraction form
    92,772,079.70/139,158,119.55 = 87,481,289.30/x
  3. Step 3: Cross multiply
    92,772,079.70x = 139,158,119.55 × 87,481,289.30
  4. Step 4: Simplify right side
    92,772,079.70x = 12,173,731,714,797,536
  5. Step 5: Solve for x
    x = 12,173,731,714,797,536/92,772,079.70
  6. Step 6: Final answer
    x = 131,221,933.95

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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.