Finding the Fourth Proportional to 74,745,610.40, 112,118,415.60 and 48,917,577.80
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Solution
The fourth proportional to 74,745,610.40, 112,118,415.60 and 48,917,577.80 is: 73,376,366.70
Step by Step Solution
- Step 1: Write the proportion equation
74,745,610.40 : 112,118,415.60 = 48,917,577.80 : x - Step 2: Convert to fraction form
74,745,610.40/112,118,415.60 = 48,917,577.80/x - Step 3: Cross multiply
74,745,610.40x = 112,118,415.60 × 48,917,577.80 - Step 4: Simplify right side
74,745,610.40x = 5,484,561,317,925,733 - Step 5: Solve for x
x = 5,484,561,317,925,733/74,745,610.40 - Step 6: Final answer
x = 73,376,366.70
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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.