Home / 316,904,582.88-437,166,199.44-211,239,940.32

Finding the Fourth Proportional to 316,904,582.88, 437,166,199.44 and 211,239,940.32

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Solution

The fourth proportional to 316,904,582.88, 437,166,199.44 and 211,239,940.32 is: 291,403,049.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,904,582.88 : 437,166,199.44 = 211,239,940.32 : x
  2. Step 2: Convert to fraction form
    316,904,582.88/437,166,199.44 = 211,239,940.32/x
  3. Step 3: Cross multiply
    316,904,582.88x = 437,166,199.44 × 211,239,940.32
  4. Step 4: Simplify right side
    316,904,582.88x = 92,346,961,879,626,816
  5. Step 5: Solve for x
    x = 92,346,961,879,626,816/316,904,582.88
  6. Step 6: Final answer
    x = 291,403,049.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.