Home / 331,653,497.60-497,293,622.40-127,188,243.20

Finding the Fourth Proportional to 331,653,497.60, 497,293,622.40 and 127,188,243.20

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Solution

The fourth proportional to 331,653,497.60, 497,293,622.40 and 127,188,243.20 is: 190,710,794.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,653,497.60 : 497,293,622.40 = 127,188,243.20 : x
  2. Step 2: Convert to fraction form
    331,653,497.60/497,293,622.40 = 127,188,243.20/x
  3. Step 3: Cross multiply
    331,653,497.60x = 497,293,622.40 × 127,188,243.20
  4. Step 4: Simplify right side
    331,653,497.60x = 63,249,902,187,620,168
  5. Step 5: Solve for x
    x = 63,249,902,187,620,168/331,653,497.60
  6. Step 6: Final answer
    x = 190,710,794.99

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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.