Home / 353,518,005.27-487,869,967.75-196,885,087.14

Finding the Fourth Proportional to 353,518,005.27, 487,869,967.75 and 196,885,087.14

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Solution

The fourth proportional to 353,518,005.27, 487,869,967.75 and 196,885,087.14 is: 271,709,841.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,518,005.27 : 487,869,967.75 = 196,885,087.14 : x
  2. Step 2: Convert to fraction form
    353,518,005.27/487,869,967.75 = 196,885,087.14/x
  3. Step 3: Cross multiply
    353,518,005.27x = 487,869,967.75 × 196,885,087.14
  4. Step 4: Simplify right side
    353,518,005.27x = 96,054,321,111,981,952
  5. Step 5: Solve for x
    x = 96,054,321,111,981,952/353,518,005.27
  6. Step 6: Final answer
    x = 271,709,841.31

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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.