Finding the Fourth Proportional to 154,551,407.90, 231,872,600.52 and 56,181,563.99
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Solution
The fourth proportional to 154,551,407.90, 231,872,600.52 and 56,181,563.99 is: 84,288,881.73
Step by Step Solution
- Step 1: Write the proportion equation
154,551,407.90 : 231,872,600.52 = 56,181,563.99 : x - Step 2: Convert to fraction form
154,551,407.90/231,872,600.52 = 56,181,563.99/x - Step 3: Cross multiply
154,551,407.90x = 231,872,600.52 × 56,181,563.99 - Step 4: Simplify right side
154,551,407.90x = 13,026,965,342,664,772 - Step 5: Solve for x
x = 13,026,965,342,664,772/154,551,407.90 - Step 6: Final answer
x = 84,288,881.73
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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.