Home / 92,772,056.20-139,158,084.30-87,481,265.80

Finding the Fourth Proportional to 92,772,056.20, 139,158,084.30 and 87,481,265.80

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Solution

The fourth proportional to 92,772,056.20, 139,158,084.30 and 87,481,265.80 is: 131,221,898.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,772,056.20 : 139,158,084.30 = 87,481,265.80 : x
  2. Step 2: Convert to fraction form
    92,772,056.20/139,158,084.30 = 87,481,265.80/x
  3. Step 3: Cross multiply
    92,772,056.20x = 139,158,084.30 × 87,481,265.80
  4. Step 4: Simplify right side
    92,772,056.20x = 12,173,725,360,867,108
  5. Step 5: Solve for x
    x = 12,173,725,360,867,108/92,772,056.20
  6. Step 6: Final answer
    x = 131,221,898.70

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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.