Finding the Fourth Proportional to 230,696,543.39, 318,363,215.22 and 131,582,311.19
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Solution
The fourth proportional to 230,696,543.39, 318,363,215.22 and 131,582,311.19 is: 181,584,721.82
Step by Step Solution
- Step 1: Write the proportion equation
230,696,543.39 : 318,363,215.22 = 131,582,311.19 : x - Step 2: Convert to fraction form
230,696,543.39/318,363,215.22 = 131,582,311.19/x - Step 3: Cross multiply
230,696,543.39x = 318,363,215.22 × 131,582,311.19 - Step 4: Simplify right side
230,696,543.39x = 41,890,967,656,526,984 - Step 5: Solve for x
x = 41,890,967,656,526,984/230,696,543.39 - Step 6: Final answer
x = 181,584,721.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.