Home / 168,439,510.80-252,659,266.20-166,172,029.20

Finding the Fourth Proportional to 168,439,510.80, 252,659,266.20 and 166,172,029.20

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Solution

The fourth proportional to 168,439,510.80, 252,659,266.20 and 166,172,029.20 is: 249,258,043.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,439,510.80 : 252,659,266.20 = 166,172,029.20 : x
  2. Step 2: Convert to fraction form
    168,439,510.80/252,659,266.20 = 166,172,029.20/x
  3. Step 3: Cross multiply
    168,439,510.80x = 252,659,266.20 × 166,172,029.20
  4. Step 4: Simplify right side
    168,439,510.80x = 41,984,902,960,636,968
  5. Step 5: Solve for x
    x = 41,984,902,960,636,968/168,439,510.80
  6. Step 6: Final answer
    x = 249,258,043.80

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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.