Finding the Fourth Proportional to 153,551,993.05, 230,327,989.58 and 49,920,998.05
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Solution
The fourth proportional to 153,551,993.05, 230,327,989.58 and 49,920,998.05 is: 74,881,497.08
Step by Step Solution
- Step 1: Write the proportion equation
153,551,993.05 : 230,327,989.58 = 49,920,998.05 : x - Step 2: Convert to fraction form
153,551,993.05/230,327,989.58 = 49,920,998.05/x - Step 3: Cross multiply
153,551,993.05x = 230,327,989.58 × 49,920,998.05 - Step 4: Simplify right side
153,551,993.05x = 11,498,203,118,433,994 - Step 5: Solve for x
x = 11,498,203,118,433,994/153,551,993.05 - Step 6: Final answer
x = 74,881,497.08
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1.5x scale
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.