Finding the Fourth Proportional to 117,989,349.84, 162,825,403.16 and 65,777,338.31
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Solution
The fourth proportional to 117,989,349.84, 162,825,403.16 and 65,777,338.31 is: 90,772,782.82
Step by Step Solution
- Step 1: Write the proportion equation
117,989,349.84 : 162,825,403.16 = 65,777,338.31 : x - Step 2: Convert to fraction form
117,989,349.84/162,825,403.16 = 65,777,338.31/x - Step 3: Cross multiply
117,989,349.84x = 162,825,403.16 × 65,777,338.31 - Step 4: Simplify right side
117,989,349.84x = 10,710,221,628,467,778 - Step 5: Solve for x
x = 10,710,221,628,467,778/117,989,349.84 - Step 6: Final answer
x = 90,772,782.82
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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.