Finding the Fourth Proportional to 159,444,902.96, 220,033,968.84 and 86,106,044.96
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Solution
The fourth proportional to 159,444,902.96, 220,033,968.84 and 86,106,044.96 is: 118,826,343.53
Step by Step Solution
- Step 1: Write the proportion equation
159,444,902.96 : 220,033,968.84 = 86,106,044.96 : x - Step 2: Convert to fraction form
159,444,902.96/220,033,968.84 = 86,106,044.96/x - Step 3: Cross multiply
159,444,902.96x = 220,033,968.84 × 86,106,044.96 - Step 4: Simplify right side
159,444,902.96x = 18,946,254,813,664,276 - Step 5: Solve for x
x = 18,946,254,813,664,276/159,444,902.96 - Step 6: Final answer
x = 118,826,343.53
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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.