Home / 209,857,409.40-314,786,114.10-171,562,164.60

Finding the Fourth Proportional to 209,857,409.40, 314,786,114.10 and 171,562,164.60

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Solution

The fourth proportional to 209,857,409.40, 314,786,114.10 and 171,562,164.60 is: 257,343,246.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,857,409.40 : 314,786,114.10 = 171,562,164.60 : x
  2. Step 2: Convert to fraction form
    209,857,409.40/314,786,114.10 = 171,562,164.60/x
  3. Step 3: Cross multiply
    209,857,409.40x = 314,786,114.10 × 171,562,164.60
  4. Step 4: Simplify right side
    209,857,409.40x = 54,005,387,121,018,584
  5. Step 5: Solve for x
    x = 54,005,387,121,018,584/209,857,409.40
  6. Step 6: Final answer
    x = 257,343,246.90

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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.