Home / 168,300,765.14-252,606,333.79-85,360,727.75

Finding the Fourth Proportional to 168,300,765.14, 252,606,333.79 and 85,360,727.75

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Solution

The fourth proportional to 168,300,765.14, 252,606,333.79 and 85,360,727.75 is: 128,119,800.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,300,765.14 : 252,606,333.79 = 85,360,727.75 : x
  2. Step 2: Convert to fraction form
    168,300,765.14/252,606,333.79 = 85,360,727.75/x
  3. Step 3: Cross multiply
    168,300,765.14x = 252,606,333.79 × 85,360,727.75
  4. Step 4: Simplify right side
    168,300,765.14x = 21,562,660,485,176,768
  5. Step 5: Solve for x
    x = 21,562,660,485,176,768/168,300,765.14
  6. Step 6: Final answer
    x = 128,119,800.68

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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.