Finding the Fourth Proportional to 159,445,407.54, 220,034,660.62 and 86,106,549.54
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Solution
The fourth proportional to 159,445,407.54, 220,034,660.62 and 86,106,549.54 is: 118,827,037.40
Step by Step Solution
- Step 1: Write the proportion equation
159,445,407.54 : 220,034,660.62 = 86,106,549.54 : x - Step 2: Convert to fraction form
159,445,407.54/220,034,660.62 = 86,106,549.54/x - Step 3: Cross multiply
159,445,407.54x = 220,034,660.62 × 86,106,549.54 - Step 4: Simplify right side
159,445,407.54x = 18,946,425,405,193,120 - Step 5: Solve for x
x = 18,946,425,405,193,120/159,445,407.54 - Step 6: Final answer
x = 118,827,037.40
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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.