Home / 172,570,943.60-258,520,492.20-104,210,572.40

Finding the Fourth Proportional to 172,570,943.60, 258,520,492.20 and 104,210,572.40

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Solution

The fourth proportional to 172,570,943.60, 258,520,492.20 and 104,210,572.40 is: 156,113,004.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,570,943.60 : 258,520,492.20 = 104,210,572.40 : x
  2. Step 2: Convert to fraction form
    172,570,943.60/258,520,492.20 = 104,210,572.40/x
  3. Step 3: Cross multiply
    172,570,943.60x = 258,520,492.20 × 104,210,572.40
  4. Step 4: Simplify right side
    172,570,943.60x = 26,940,568,469,291,736
  5. Step 5: Solve for x
    x = 26,940,568,469,291,736/172,570,943.60
  6. Step 6: Final answer
    x = 156,113,004.35

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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.