Home / 213,046,416.07-319,287,111.53-109,411,435.26

Finding the Fourth Proportional to 213,046,416.07, 319,287,111.53 and 109,411,435.26

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Solution

The fourth proportional to 213,046,416.07, 319,287,111.53 and 109,411,435.26 is: 163,972,066.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,046,416.07 : 319,287,111.53 = 109,411,435.26 : x
  2. Step 2: Convert to fraction form
    213,046,416.07/319,287,111.53 = 109,411,435.26/x
  3. Step 3: Cross multiply
    213,046,416.07x = 319,287,111.53 × 109,411,435.26
  4. Step 4: Simplify right side
    213,046,416.07x = 34,933,661,131,969,936
  5. Step 5: Solve for x
    x = 34,933,661,131,969,936/213,046,416.07
  6. Step 6: Final answer
    x = 163,972,066.64

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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.