Finding the Fourth Proportional to 83,420,438.10, 125,130,657.15 and 49,324,233.30
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Solution
The fourth proportional to 83,420,438.10, 125,130,657.15 and 49,324,233.30 is: 73,986,349.95
Step by Step Solution
- Step 1: Write the proportion equation
83,420,438.10 : 125,130,657.15 = 49,324,233.30 : x - Step 2: Convert to fraction form
83,420,438.10/125,130,657.15 = 49,324,233.30/x - Step 3: Cross multiply
83,420,438.10x = 125,130,657.15 × 49,324,233.30 - Step 4: Simplify right side
83,420,438.10x = 6,171,973,726,248,913 - Step 5: Solve for x
x = 6,171,973,726,248,913/83,420,438.10 - Step 6: Final answer
x = 73,986,349.95
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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.