Home / 412,089,696.32-618,230,155.32-135,730,993.06

Finding the Fourth Proportional to 412,089,696.32, 618,230,155.32 and 135,730,993.06

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Solution

The fourth proportional to 412,089,696.32, 618,230,155.32 and 135,730,993.06 is: 203,627,981.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,089,696.32 : 618,230,155.32 = 135,730,993.06 : x
  2. Step 2: Convert to fraction form
    412,089,696.32/618,230,155.32 = 135,730,993.06/x
  3. Step 3: Cross multiply
    412,089,696.32x = 618,230,155.32 × 135,730,993.06
  4. Step 4: Simplify right side
    412,089,696.32x = 83,912,992,919,676,080
  5. Step 5: Solve for x
    x = 83,912,992,919,676,080/412,089,696.32
  6. Step 6: Final answer
    x = 203,627,981.17

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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.