Finding the Fourth Proportional to 150,461,965.61, 207,660,208.46 and 91,758,683.71
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Solution
The fourth proportional to 150,461,965.61, 207,660,208.46 and 91,758,683.71 is: 126,640,824.54
Step by Step Solution
- Step 1: Write the proportion equation
150,461,965.61 : 207,660,208.46 = 91,758,683.71 : x - Step 2: Convert to fraction form
150,461,965.61/207,660,208.46 = 91,758,683.71/x - Step 3: Cross multiply
150,461,965.61x = 207,660,208.46 × 91,758,683.71 - Step 4: Simplify right side
150,461,965.61x = 19,054,627,386,775,012 - Step 5: Solve for x
x = 19,054,627,386,775,012/150,461,965.61 - Step 6: Final answer
x = 126,640,824.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.