Home / 168,300,776.48-252,606,350.80-85,360,739.04

Finding the Fourth Proportional to 168,300,776.48, 252,606,350.80 and 85,360,739.04

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Solution

The fourth proportional to 168,300,776.48, 252,606,350.80 and 85,360,739.04 is: 128,119,817.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,300,776.48 : 252,606,350.80 = 85,360,739.04 : x
  2. Step 2: Convert to fraction form
    168,300,776.48/252,606,350.80 = 85,360,739.04/x
  3. Step 3: Cross multiply
    168,300,776.48x = 252,606,350.80 × 85,360,739.04
  4. Step 4: Simplify right side
    168,300,776.48x = 21,562,664,790,485,496
  5. Step 5: Solve for x
    x = 21,562,664,790,485,496/168,300,776.48
  6. Step 6: Final answer
    x = 128,119,817.64

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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.