Home / 89,847,838.46-134,786,657.10-31,540,395.44

Finding the Fourth Proportional to 89,847,838.46, 134,786,657.10 and 31,540,395.44

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Solution

The fourth proportional to 89,847,838.46, 134,786,657.10 and 31,540,395.44 is: 47,315,823.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,847,838.46 : 134,786,657.10 = 31,540,395.44 : x
  2. Step 2: Convert to fraction form
    89,847,838.46/134,786,657.10 = 31,540,395.44/x
  3. Step 3: Cross multiply
    89,847,838.46x = 134,786,657.10 × 31,540,395.44
  4. Step 4: Simplify right side
    89,847,838.46x = 4,251,224,464,969,683.50
  5. Step 5: Solve for x
    x = 4,251,224,464,969,683.50/89,847,838.46
  6. Step 6: Final answer
    x = 47,315,823.48

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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.