Finding the Fourth Proportional to 136,316,631.84, 204,323,490.72 and 103,861,537.20
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Solution
The fourth proportional to 136,316,631.84, 204,323,490.72 and 103,861,537.20 is: 155,676,908.58
Step by Step Solution
- Step 1: Write the proportion equation
136,316,631.84 : 204,323,490.72 = 103,861,537.20 : x - Step 2: Convert to fraction form
136,316,631.84/204,323,490.72 = 103,861,537.20/x - Step 3: Cross multiply
136,316,631.84x = 204,323,490.72 × 103,861,537.20 - Step 4: Simplify right side
136,316,631.84x = 21,221,351,832,249,136 - Step 5: Solve for x
x = 21,221,351,832,249,136/136,316,631.84 - Step 6: Final answer
x = 155,676,908.58
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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.