Finding the Fourth Proportional to 130,414,202.40, 195,621,303.60 and 69,948,026.40
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Solution
The fourth proportional to 130,414,202.40, 195,621,303.60 and 69,948,026.40 is: 104,922,039.60
Step by Step Solution
- Step 1: Write the proportion equation
130,414,202.40 : 195,621,303.60 = 69,948,026.40 : x - Step 2: Convert to fraction form
130,414,202.40/195,621,303.60 = 69,948,026.40/x - Step 3: Cross multiply
130,414,202.40x = 195,621,303.60 × 69,948,026.40 - Step 4: Simplify right side
130,414,202.40x = 13,683,324,108,615,216 - Step 5: Solve for x
x = 13,683,324,108,615,216/130,414,202.40 - Step 6: Final answer
x = 104,922,039.60
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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.