Finding the Fourth Proportional to 99,456,732.99, 137,254,524.30 and 55,403,678.52
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Solution
The fourth proportional to 99,456,732.99, 137,254,524.30 and 55,403,678.52 is: 76,459,434.28
Step by Step Solution
- Step 1: Write the proportion equation
99,456,732.99 : 137,254,524.30 = 55,403,678.52 : x - Step 2: Convert to fraction form
99,456,732.99/137,254,524.30 = 55,403,678.52/x - Step 3: Cross multiply
99,456,732.99x = 137,254,524.30 × 55,403,678.52 - Step 4: Simplify right side
99,456,732.99x = 7,604,405,539,732,729 - Step 5: Solve for x
x = 7,604,405,539,732,729/99,456,732.99 - Step 6: Final answer
x = 76,459,434.28
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.