Home / 109,274,090.20-163,698,558.90-66,014,792.80

Finding the Fourth Proportional to 109,274,090.20, 163,698,558.90 and 66,014,792.80

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Solution

The fourth proportional to 109,274,090.20, 163,698,558.90 and 66,014,792.80 is: 98,893,767.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,274,090.20 : 163,698,558.90 = 66,014,792.80 : x
  2. Step 2: Convert to fraction form
    109,274,090.20/163,698,558.90 = 66,014,792.80/x
  3. Step 3: Cross multiply
    109,274,090.20x = 163,698,558.90 × 66,014,792.80
  4. Step 4: Simplify right side
    109,274,090.20x = 10,806,526,447,442,096
  5. Step 5: Solve for x
    x = 10,806,526,447,442,096/109,274,090.20
  6. Step 6: Final answer
    x = 98,893,767.29

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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.