Finding the Fourth Proportional to 163,888,292.81, 246,007,441.08 and 70,561,482.09
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Solution
The fourth proportional to 163,888,292.81, 246,007,441.08 and 70,561,482.09 is: 105,917,569.52
Step by Step Solution
- Step 1: Write the proportion equation
163,888,292.81 : 246,007,441.08 = 70,561,482.09 : x - Step 2: Convert to fraction form
163,888,292.81/246,007,441.08 = 70,561,482.09/x - Step 3: Cross multiply
163,888,292.81x = 246,007,441.08 × 70,561,482.09 - Step 4: Simplify right side
163,888,292.81x = 17,358,649,647,773,152 - Step 5: Solve for x
x = 17,358,649,647,773,152/163,888,292.81 - Step 6: Final answer
x = 105,917,569.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.