Home / 316,904,583.88-437,166,200.82-211,239,941.32

Finding the Fourth Proportional to 316,904,583.88, 437,166,200.82 and 211,239,941.32

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Solution

The fourth proportional to 316,904,583.88, 437,166,200.82 and 211,239,941.32 is: 291,403,050.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,904,583.88 : 437,166,200.82 = 211,239,941.32 : x
  2. Step 2: Convert to fraction form
    316,904,583.88/437,166,200.82 = 211,239,941.32/x
  3. Step 3: Cross multiply
    316,904,583.88x = 437,166,200.82 × 211,239,941.32
  4. Step 4: Simplify right side
    316,904,583.88x = 92,346,962,608,304,128
  5. Step 5: Solve for x
    x = 92,346,962,608,304,128/316,904,583.88
  6. Step 6: Final answer
    x = 291,403,050.97

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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.