Finding the Fourth Proportional to 161,129,706.72, 241,694,341.28 and 74,820,918.08
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Solution
The fourth proportional to 161,129,706.72, 241,694,341.28 and 74,820,918.08 is: 112,231,275.52
Step by Step Solution
- Step 1: Write the proportion equation
161,129,706.72 : 241,694,341.28 = 74,820,918.08 : x - Step 2: Convert to fraction form
161,129,706.72/241,694,341.28 = 74,820,918.08/x - Step 3: Cross multiply
161,129,706.72x = 241,694,341.28 × 74,820,918.08 - Step 4: Simplify right side
161,129,706.72x = 18,083,792,509,310,440 - Step 5: Solve for x
x = 18,083,792,509,310,440/161,129,706.72 - Step 6: Final answer
x = 112,231,275.52
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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.