Finding the Fourth Proportional to 123,705,768.84, 170,703,797.18 and 67,948,307.73
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Solution
The fourth proportional to 123,705,768.84, 170,703,797.18 and 67,948,307.73 is: 93,763,081.95
Step by Step Solution
- Step 1: Write the proportion equation
123,705,768.84 : 170,703,797.18 = 67,948,307.73 : x - Step 2: Convert to fraction form
123,705,768.84/170,703,797.18 = 67,948,307.73/x - Step 3: Cross multiply
123,705,768.84x = 170,703,797.18 × 67,948,307.73 - Step 4: Simplify right side
123,705,768.84x = 11,599,034,141,126,406 - Step 5: Solve for x
x = 11,599,034,141,126,406/123,705,768.84 - Step 6: Final answer
x = 93,763,081.95
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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.