Home / 196,344,129.60-294,516,194.40-66,940,214.40

Finding the Fourth Proportional to 196,344,129.60, 294,516,194.40 and 66,940,214.40

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Solution

The fourth proportional to 196,344,129.60, 294,516,194.40 and 66,940,214.40 is: 100,410,321.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,344,129.60 : 294,516,194.40 = 66,940,214.40 : x
  2. Step 2: Convert to fraction form
    196,344,129.60/294,516,194.40 = 66,940,214.40/x
  3. Step 3: Cross multiply
    196,344,129.60x = 294,516,194.40 × 66,940,214.40
  4. Step 4: Simplify right side
    196,344,129.60x = 19,714,977,197,408,076
  5. Step 5: Solve for x
    x = 19,714,977,197,408,076/196,344,129.60
  6. Step 6: Final answer
    x = 100,410,321.60

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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.