Home / 158,976,006.40-238,464,009.60-157,968,236.80

Finding the Fourth Proportional to 158,976,006.40, 238,464,009.60 and 157,968,236.80

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Solution

The fourth proportional to 158,976,006.40, 238,464,009.60 and 157,968,236.80 is: 236,952,355.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,976,006.40 : 238,464,009.60 = 157,968,236.80 : x
  2. Step 2: Convert to fraction form
    158,976,006.40/238,464,009.60 = 157,968,236.80/x
  3. Step 3: Cross multiply
    158,976,006.40x = 238,464,009.60 × 157,968,236.80
  4. Step 4: Simplify right side
    158,976,006.40x = 37,669,739,136,770,272
  5. Step 5: Solve for x
    x = 37,669,739,136,770,272/158,976,006.40
  6. Step 6: Final answer
    x = 236,952,355.20

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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.