Home / 412,089,696.25-618,230,155.23-135,730,993.00

Finding the Fourth Proportional to 412,089,696.25, 618,230,155.23 and 135,730,993.00

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Solution

The fourth proportional to 412,089,696.25, 618,230,155.23 and 135,730,993.00 is: 203,627,981.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,089,696.25 : 618,230,155.23 = 135,730,993.00 : x
  2. Step 2: Convert to fraction form
    412,089,696.25/618,230,155.23 = 135,730,993.00/x
  3. Step 3: Cross multiply
    412,089,696.25x = 618,230,155.23 × 135,730,993.00
  4. Step 4: Simplify right side
    412,089,696.25x = 83,912,992,868,820,896
  5. Step 5: Solve for x
    x = 83,912,992,868,820,896/412,089,696.25
  6. Step 6: Final answer
    x = 203,627,981.07

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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.