Home / 193,543,959.60-290,315,939.40-133,077,783.60

Finding the Fourth Proportional to 193,543,959.60, 290,315,939.40 and 133,077,783.60

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Solution

The fourth proportional to 193,543,959.60, 290,315,939.40 and 133,077,783.60 is: 199,616,675.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,543,959.60 : 290,315,939.40 = 133,077,783.60 : x
  2. Step 2: Convert to fraction form
    193,543,959.60/290,315,939.40 = 133,077,783.60/x
  3. Step 3: Cross multiply
    193,543,959.60x = 290,315,939.40 × 133,077,783.60
  4. Step 4: Simplify right side
    193,543,959.60x = 38,634,601,759,103,912
  5. Step 5: Solve for x
    x = 38,634,601,759,103,912/193,543,959.60
  6. Step 6: Final answer
    x = 199,616,675.40

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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.