Home / 319,520,116.35-440,904,155.22-185,531,841.31

Finding the Fourth Proportional to 319,520,116.35, 440,904,155.22 and 185,531,841.31

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Solution

The fourth proportional to 319,520,116.35, 440,904,155.22 and 185,531,841.31 is: 256,014,427.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,520,116.35 : 440,904,155.22 = 185,531,841.31 : x
  2. Step 2: Convert to fraction form
    319,520,116.35/440,904,155.22 = 185,531,841.31/x
  3. Step 3: Cross multiply
    319,520,116.35x = 440,904,155.22 × 185,531,841.31
  4. Step 4: Simplify right side
    319,520,116.35x = 81,801,759,759,196,656
  5. Step 5: Solve for x
    x = 81,801,759,759,196,656/319,520,116.35
  6. Step 6: Final answer
    x = 256,014,427.80

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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.