Finding the Fourth Proportional to 91,260,877.50, 136,899,753.21 and 29,850,384.06
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Solution
The fourth proportional to 91,260,877.50, 136,899,753.21 and 29,850,384.06 is: 44,778,335.72
Step by Step Solution
- Step 1: Write the proportion equation
91,260,877.50 : 136,899,753.21 = 29,850,384.06 : x - Step 2: Convert to fraction form
91,260,877.50/136,899,753.21 = 29,850,384.06/x - Step 3: Cross multiply
91,260,877.50x = 136,899,753.21 × 29,850,384.06 - Step 4: Simplify right side
91,260,877.50x = 4,086,510,211,037,718 - Step 5: Solve for x
x = 4,086,510,211,037,718/91,260,877.50 - Step 6: Final answer
x = 44,778,335.72
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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.