Finding the Fourth Proportional to 64,683,478.90, 97,025,218.35 and 53,204,353.30
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Solution
The fourth proportional to 64,683,478.90, 97,025,218.35 and 53,204,353.30 is: 79,806,529.95
Step by Step Solution
- Step 1: Write the proportion equation
64,683,478.90 : 97,025,218.35 = 53,204,353.30 : x - Step 2: Convert to fraction form
64,683,478.90/97,025,218.35 = 53,204,353.30/x - Step 3: Cross multiply
64,683,478.90x = 97,025,218.35 × 53,204,353.30 - Step 4: Simplify right side
64,683,478.90x = 5,162,163,996,103,042 - Step 5: Solve for x
x = 5,162,163,996,103,042/64,683,478.90 - Step 6: Final answer
x = 79,806,529.95
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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.