Finding the Fourth Proportional to 309,869,659.19, 464,876,294.74 and 88,543,881.71
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Solution
The fourth proportional to 309,869,659.19, 464,876,294.74 and 88,543,881.71 is: 132,836,340.80
Step by Step Solution
- Step 1: Write the proportion equation
309,869,659.19 : 464,876,294.74 = 88,543,881.71 : x - Step 2: Convert to fraction form
309,869,659.19/464,876,294.74 = 88,543,881.71/x - Step 3: Cross multiply
309,869,659.19x = 464,876,294.74 × 88,543,881.71 - Step 4: Simplify right side
309,869,659.19x = 41,161,951,652,543,304 - Step 5: Solve for x
x = 41,161,951,652,543,304/309,869,659.19 - Step 6: Final answer
x = 132,836,340.80
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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.