Home / 211,968,008.80-317,952,013.20-60,678,152.80

Finding the Fourth Proportional to 211,968,008.80, 317,952,013.20 and 60,678,152.80

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Solution

The fourth proportional to 211,968,008.80, 317,952,013.20 and 60,678,152.80 is: 91,017,229.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,968,008.80 : 317,952,013.20 = 60,678,152.80 : x
  2. Step 2: Convert to fraction form
    211,968,008.80/317,952,013.20 = 60,678,152.80/x
  3. Step 3: Cross multiply
    211,968,008.80x = 317,952,013.20 × 60,678,152.80
  4. Step 4: Simplify right side
    211,968,008.80x = 19,292,740,840,017,216
  5. Step 5: Solve for x
    x = 19,292,740,840,017,216/211,968,008.80
  6. Step 6: Final answer
    x = 91,017,229.20

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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.