Finding the Fourth Proportional to 188,817,878.66, 283,257,084.93 and 79,659,128.62
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Solution
The fourth proportional to 188,817,878.66, 283,257,084.93 and 79,659,128.62 is: 119,501,462.05
Step by Step Solution
- Step 1: Write the proportion equation
188,817,878.66 : 283,257,084.93 = 79,659,128.62 : x - Step 2: Convert to fraction form
188,817,878.66/283,257,084.93 = 79,659,128.62/x - Step 3: Cross multiply
188,817,878.66x = 283,257,084.93 × 79,659,128.62 - Step 4: Simplify right side
188,817,878.66x = 22,564,012,560,965,136 - Step 5: Solve for x
x = 22,564,012,560,965,136/188,817,878.66 - Step 6: Final answer
x = 119,501,462.05
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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.