Home / 43,784,989.60-65,714,809.20-19,561,194.40

Finding the Fourth Proportional to 43,784,989.60, 65,714,809.20 and 19,561,194.40

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Solution

The fourth proportional to 43,784,989.60, 65,714,809.20 and 19,561,194.40 is: 29,358,466.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,784,989.60 : 65,714,809.20 = 19,561,194.40 : x
  2. Step 2: Convert to fraction form
    43,784,989.60/65,714,809.20 = 19,561,194.40/x
  3. Step 3: Cross multiply
    43,784,989.60x = 65,714,809.20 × 19,561,194.40
  4. Step 4: Simplify right side
    43,784,989.60x = 1,285,460,157,720,108.50
  5. Step 5: Solve for x
    x = 1,285,460,157,720,108.50/43,784,989.60
  6. Step 6: Final answer
    x = 29,358,466.67

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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.