Home / 168,531,943.20-252,986,871.60-130,362,669.60

Finding the Fourth Proportional to 168,531,943.20, 252,986,871.60 and 130,362,669.60

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Solution

The fourth proportional to 168,531,943.20, 252,986,871.60 and 130,362,669.60 is: 195,690,166.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,531,943.20 : 252,986,871.60 = 130,362,669.60 : x
  2. Step 2: Convert to fraction form
    168,531,943.20/252,986,871.60 = 130,362,669.60/x
  3. Step 3: Cross multiply
    168,531,943.20x = 252,986,871.60 × 130,362,669.60
  4. Step 4: Simplify right side
    168,531,943.20x = 32,980,043,955,528,420
  5. Step 5: Solve for x
    x = 32,980,043,955,528,420/168,531,943.20
  6. Step 6: Final answer
    x = 195,690,166.09

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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.