Finding the Fourth Proportional to 180,913,219.12, 271,261,965.84 and 122,692,479.76
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Solution
The fourth proportional to 180,913,219.12, 271,261,965.84 and 122,692,479.76 is: 183,965,568.77
Step by Step Solution
- Step 1: Write the proportion equation
180,913,219.12 : 271,261,965.84 = 122,692,479.76 : x - Step 2: Convert to fraction form
180,913,219.12/271,261,965.84 = 122,692,479.76/x - Step 3: Cross multiply
180,913,219.12x = 271,261,965.84 × 122,692,479.76 - Step 4: Simplify right side
180,913,219.12x = 33,281,803,253,482,008 - Step 5: Solve for x
x = 33,281,803,253,482,008/180,913,219.12 - Step 6: Final answer
x = 183,965,568.77
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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.