Finding the Fourth Proportional to 114,961,394.62, 158,623,041.99 and 66,059,374.78
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Solution
The fourth proportional to 114,961,394.62, 158,623,041.99 and 66,059,374.78 is: 91,148,328.66
Step by Step Solution
- Step 1: Write the proportion equation
114,961,394.62 : 158,623,041.99 = 66,059,374.78 : x - Step 2: Convert to fraction form
114,961,394.62/158,623,041.99 = 66,059,374.78/x - Step 3: Cross multiply
114,961,394.62x = 158,623,041.99 × 66,059,374.78 - Step 4: Simplify right side
114,961,394.62x = 10,478,538,979,561,088 - Step 5: Solve for x
x = 10,478,538,979,561,088/114,961,394.62 - Step 6: Final answer
x = 91,148,328.66
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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.