Home / 109,398,884.50-150,970,915.47-59,163,103.09

Finding the Fourth Proportional to 109,398,884.50, 150,970,915.47 and 59,163,103.09

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Solution

The fourth proportional to 109,398,884.50, 150,970,915.47 and 59,163,103.09 is: 81,645,328.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,398,884.50 : 150,970,915.47 = 59,163,103.09 : x
  2. Step 2: Convert to fraction form
    109,398,884.50/150,970,915.47 = 59,163,103.09/x
  3. Step 3: Cross multiply
    109,398,884.50x = 150,970,915.47 × 59,163,103.09
  4. Step 4: Simplify right side
    109,398,884.50x = 8,931,907,835,543,286
  5. Step 5: Solve for x
    x = 8,931,907,835,543,286/109,398,884.50
  6. Step 6: Final answer
    x = 81,645,328.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.