Finding the Fourth Proportional to 95,681,569.80, 143,522,354.70 and 90,642,721.80
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Solution
The fourth proportional to 95,681,569.80, 143,522,354.70 and 90,642,721.80 is: 135,964,082.70
Step by Step Solution
- Step 1: Write the proportion equation
95,681,569.80 : 143,522,354.70 = 90,642,721.80 : x - Step 2: Convert to fraction form
95,681,569.80/143,522,354.70 = 90,642,721.80/x - Step 3: Cross multiply
95,681,569.80x = 143,522,354.70 × 90,642,721.80 - Step 4: Simplify right side
95,681,569.80x = 13,009,256,869,153,020 - Step 5: Solve for x
x = 13,009,256,869,153,020/95,681,569.80 - Step 6: Final answer
x = 135,964,082.70
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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.