Finding the Fourth Proportional to 220,167,492.80, 330,251,239.20 and 66,813,303.20
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Solution
The fourth proportional to 220,167,492.80, 330,251,239.20 and 66,813,303.20 is: 100,219,954.80
Step by Step Solution
- Step 1: Write the proportion equation
220,167,492.80 : 330,251,239.20 = 66,813,303.20 : x - Step 2: Convert to fraction form
220,167,492.80/330,251,239.20 = 66,813,303.20/x - Step 3: Cross multiply
220,167,492.80x = 330,251,239.20 × 66,813,303.20 - Step 4: Simplify right side
220,167,492.80x = 22,065,176,176,845,324 - Step 5: Solve for x
x = 22,065,176,176,845,324/220,167,492.80 - Step 6: Final answer
x = 100,219,954.80
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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.