Home / 195,286,987.80-292,505,328.90-118,476,048.60

Finding the Fourth Proportional to 195,286,987.80, 292,505,328.90 and 118,476,048.60

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Solution

The fourth proportional to 195,286,987.80, 292,505,328.90 and 118,476,048.60 is: 177,456,142.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,286,987.80 : 292,505,328.90 = 118,476,048.60 : x
  2. Step 2: Convert to fraction form
    195,286,987.80/292,505,328.90 = 118,476,048.60/x
  3. Step 3: Cross multiply
    195,286,987.80x = 292,505,328.90 × 118,476,048.60
  4. Step 4: Simplify right side
    195,286,987.80x = 34,654,875,562,515,380
  5. Step 5: Solve for x
    x = 34,654,875,562,515,380/195,286,987.80
  6. Step 6: Final answer
    x = 177,456,142.64

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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.