Home / 140,911,999.20-211,367,998.80-64,384,495.20

Finding the Fourth Proportional to 140,911,999.20, 211,367,998.80 and 64,384,495.20

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Solution

The fourth proportional to 140,911,999.20, 211,367,998.80 and 64,384,495.20 is: 96,576,742.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,911,999.20 : 211,367,998.80 = 64,384,495.20 : x
  2. Step 2: Convert to fraction form
    140,911,999.20/211,367,998.80 = 64,384,495.20/x
  3. Step 3: Cross multiply
    140,911,999.20x = 211,367,998.80 × 64,384,495.20
  4. Step 4: Simplify right side
    140,911,999.20x = 13,608,821,904,172,208
  5. Step 5: Solve for x
    x = 13,608,821,904,172,208/140,911,999.20
  6. Step 6: Final answer
    x = 96,576,742.80

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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.