Home / 168,180,640.80-252,270,961.20-71,104,084.80

Finding the Fourth Proportional to 168,180,640.80, 252,270,961.20 and 71,104,084.80

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Solution

The fourth proportional to 168,180,640.80, 252,270,961.20 and 71,104,084.80 is: 106,656,127.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,180,640.80 : 252,270,961.20 = 71,104,084.80 : x
  2. Step 2: Convert to fraction form
    168,180,640.80/252,270,961.20 = 71,104,084.80/x
  3. Step 3: Cross multiply
    168,180,640.80x = 252,270,961.20 × 71,104,084.80
  4. Step 4: Simplify right side
    168,180,640.80x = 17,937,495,817,742,308
  5. Step 5: Solve for x
    x = 17,937,495,817,742,308/168,180,640.80
  6. Step 6: Final answer
    x = 106,656,127.20

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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.