Finding the Fourth Proportional to 96,643,752.68, 133,368,400.45 and 53,183,688.68
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Solution
The fourth proportional to 96,643,752.68, 133,368,400.45 and 53,183,688.68 is: 73,393,502.35
Step by Step Solution
- Step 1: Write the proportion equation
96,643,752.68 : 133,368,400.45 = 53,183,688.68 : x - Step 2: Convert to fraction form
96,643,752.68/133,368,400.45 = 53,183,688.68/x - Step 3: Cross multiply
96,643,752.68x = 133,368,400.45 × 53,183,688.68 - Step 4: Simplify right side
96,643,752.68x = 7,093,023,489,682,272 - Step 5: Solve for x
x = 7,093,023,489,682,272/96,643,752.68 - Step 6: Final answer
x = 73,393,502.35
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.