Home / 168,520,672.80-252,781,009.20-117,460,346.40

Finding the Fourth Proportional to 168,520,672.80, 252,781,009.20 and 117,460,346.40

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Solution

The fourth proportional to 168,520,672.80, 252,781,009.20 and 117,460,346.40 is: 176,190,519.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,520,672.80 : 252,781,009.20 = 117,460,346.40 : x
  2. Step 2: Convert to fraction form
    168,520,672.80/252,781,009.20 = 117,460,346.40/x
  3. Step 3: Cross multiply
    168,520,672.80x = 252,781,009.20 × 117,460,346.40
  4. Step 4: Simplify right side
    168,520,672.80x = 29,691,744,903,973,588
  5. Step 5: Solve for x
    x = 29,691,744,903,973,588/168,520,672.80
  6. Step 6: Final answer
    x = 176,190,519.60

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1.5x scale

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.