Finding the Fourth Proportional to 130,407,368.80, 195,611,053.20 and 62,382,920.80
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Solution
The fourth proportional to 130,407,368.80, 195,611,053.20 and 62,382,920.80 is: 93,574,381.20
Step by Step Solution
- Step 1: Write the proportion equation
130,407,368.80 : 195,611,053.20 = 62,382,920.80 : x - Step 2: Convert to fraction form
130,407,368.80/195,611,053.20 = 62,382,920.80/x - Step 3: Cross multiply
130,407,368.80x = 195,611,053.20 × 62,382,920.80 - Step 4: Simplify right side
130,407,368.80x = 12,202,788,839,380,186 - Step 5: Solve for x
x = 12,202,788,839,380,186/130,407,368.80 - Step 6: Final answer
x = 93,574,381.20
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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.