Finding the Fourth Proportional to 91,175,219.67, 136,817,298.18 and 83,757,369.48
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Solution
The fourth proportional to 91,175,219.67, 136,817,298.18 and 83,757,369.48 is: 125,686,091.42
Step by Step Solution
- Step 1: Write the proportion equation
91,175,219.67 : 136,817,298.18 = 83,757,369.48 : x - Step 2: Convert to fraction form
91,175,219.67/136,817,298.18 = 83,757,369.48/x - Step 3: Cross multiply
91,175,219.67x = 136,817,298.18 × 83,757,369.48 - Step 4: Simplify right side
91,175,219.67x = 11,459,456,994,917,592 - Step 5: Solve for x
x = 11,459,456,994,917,592/91,175,219.67 - Step 6: Final answer
x = 125,686,091.42
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.