Finding the Fourth Proportional to 160,048,356.36, 220,863,852.68 and 90,432,242.58
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Solution
The fourth proportional to 160,048,356.36, 220,863,852.68 and 90,432,242.58 is: 124,794,867.98
Step by Step Solution
- Step 1: Write the proportion equation
160,048,356.36 : 220,863,852.68 = 90,432,242.58 : x - Step 2: Convert to fraction form
160,048,356.36/220,863,852.68 = 90,432,242.58/x - Step 3: Cross multiply
160,048,356.36x = 220,863,852.68 × 90,432,242.58 - Step 4: Simplify right side
160,048,356.36x = 19,973,213,502,711,144 - Step 5: Solve for x
x = 19,973,213,502,711,144/160,048,356.36 - Step 6: Final answer
x = 124,794,867.98
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1.5x scale
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.