Finding the Fourth Proportional to 96,998,643.47, 133,838,145.79 and 55,737,564.23
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Solution
The fourth proportional to 96,998,643.47, 133,838,145.79 and 55,737,564.23 is: 76,906,356.42
Step by Step Solution
- Step 1: Write the proportion equation
96,998,643.47 : 133,838,145.79 = 55,737,564.23 : x - Step 2: Convert to fraction form
96,998,643.47/133,838,145.79 = 55,737,564.23/x - Step 3: Cross multiply
96,998,643.47x = 133,838,145.79 × 55,737,564.23 - Step 4: Simplify right side
96,998,643.47x = 7,459,812,247,394,229 - Step 5: Solve for x
x = 7,459,812,247,394,229/96,998,643.47 - Step 6: Final answer
x = 76,906,356.42
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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.