Finding the Fourth Proportional to 99,854,468.40, 149,781,702.60 and 48,710,161.20
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Solution
The fourth proportional to 99,854,468.40, 149,781,702.60 and 48,710,161.20 is: 73,065,241.80
Step by Step Solution
- Step 1: Write the proportion equation
99,854,468.40 : 149,781,702.60 = 48,710,161.20 : x - Step 2: Convert to fraction form
99,854,468.40/149,781,702.60 = 48,710,161.20/x - Step 3: Cross multiply
99,854,468.40x = 149,781,702.60 × 48,710,161.20 - Step 4: Simplify right side
99,854,468.40x = 7,295,890,878,456,459 - Step 5: Solve for x
x = 7,295,890,878,456,459/99,854,468.40 - Step 6: Final answer
x = 73,065,241.80
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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.