Home / 168,116,011.80-252,174,017.70-82,022,569.80

Finding the Fourth Proportional to 168,116,011.80, 252,174,017.70 and 82,022,569.80

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Solution

The fourth proportional to 168,116,011.80, 252,174,017.70 and 82,022,569.80 is: 123,033,854.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,116,011.80 : 252,174,017.70 = 82,022,569.80 : x
  2. Step 2: Convert to fraction form
    168,116,011.80/252,174,017.70 = 82,022,569.80/x
  3. Step 3: Cross multiply
    168,116,011.80x = 252,174,017.70 × 82,022,569.80
  4. Step 4: Simplify right side
    168,116,011.80x = 20,683,960,968,544,684
  5. Step 5: Solve for x
    x = 20,683,960,968,544,684/168,116,011.80
  6. Step 6: Final answer
    x = 123,033,854.70

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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.