Home / 211,773,820.80-317,660,731.20-96,982,564.80

Finding the Fourth Proportional to 211,773,820.80, 317,660,731.20 and 96,982,564.80

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Solution

The fourth proportional to 211,773,820.80, 317,660,731.20 and 96,982,564.80 is: 145,473,847.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,773,820.80 : 317,660,731.20 = 96,982,564.80 : x
  2. Step 2: Convert to fraction form
    211,773,820.80/317,660,731.20 = 96,982,564.80/x
  3. Step 3: Cross multiply
    211,773,820.80x = 317,660,731.20 × 96,982,564.80
  4. Step 4: Simplify right side
    211,773,820.80x = 30,807,552,448,019,380
  5. Step 5: Solve for x
    x = 30,807,552,448,019,380/211,773,820.80
  6. Step 6: Final answer
    x = 145,473,847.20

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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.