Home / 92,772,076.20-139,158,114.30-87,481,285.80

Finding the Fourth Proportional to 92,772,076.20, 139,158,114.30 and 87,481,285.80

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Solution

The fourth proportional to 92,772,076.20, 139,158,114.30 and 87,481,285.80 is: 131,221,928.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,772,076.20 : 139,158,114.30 = 87,481,285.80 : x
  2. Step 2: Convert to fraction form
    92,772,076.20/139,158,114.30 = 87,481,285.80/x
  3. Step 3: Cross multiply
    92,772,076.20x = 139,158,114.30 × 87,481,285.80
  4. Step 4: Simplify right side
    92,772,076.20x = 12,173,730,768,467,368
  5. Step 5: Solve for x
    x = 12,173,730,768,467,368/92,772,076.20
  6. Step 6: Final answer
    x = 131,221,928.70

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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.