Finding the Fourth Proportional to 157,464,903.40, 236,197,355.10 and 118,665,773.80
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Solution
The fourth proportional to 157,464,903.40, 236,197,355.10 and 118,665,773.80 is: 177,998,660.70
Step by Step Solution
- Step 1: Write the proportion equation
157,464,903.40 : 236,197,355.10 = 118,665,773.80 : x - Step 2: Convert to fraction form
157,464,903.40/236,197,355.10 = 118,665,773.80/x - Step 3: Cross multiply
157,464,903.40x = 236,197,355.10 × 118,665,773.80 - Step 4: Simplify right side
157,464,903.40x = 28,028,541,912,454,876 - Step 5: Solve for x
x = 28,028,541,912,454,876/157,464,903.40 - Step 6: Final answer
x = 177,998,660.70
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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.