Home / 168,140,097.60-252,218,019.60-53,133,640.80

Finding the Fourth Proportional to 168,140,097.60, 252,218,019.60 and 53,133,640.80

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Solution

The fourth proportional to 168,140,097.60, 252,218,019.60 and 53,133,640.80 is: 79,702,949.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,140,097.60 : 252,218,019.60 = 53,133,640.80 : x
  2. Step 2: Convert to fraction form
    168,140,097.60/252,218,019.60 = 53,133,640.80/x
  3. Step 3: Cross multiply
    168,140,097.60x = 252,218,019.60 × 53,133,640.80
  4. Step 4: Simplify right side
    168,140,097.60x = 13,401,261,656,713,758
  5. Step 5: Solve for x
    x = 13,401,261,656,713,758/168,140,097.60
  6. Step 6: Final answer
    x = 79,702,949.20

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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.