Finding the Fourth Proportional to 106,762,108.96, 147,303,452.80 and 62,695,021.28
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Solution
The fourth proportional to 106,762,108.96, 147,303,452.80 and 62,695,021.28 is: 86,502,535.38
Step by Step Solution
- Step 1: Write the proportion equation
106,762,108.96 : 147,303,452.80 = 62,695,021.28 : x - Step 2: Convert to fraction form
106,762,108.96/147,303,452.80 = 62,695,021.28/x - Step 3: Cross multiply
106,762,108.96x = 147,303,452.80 × 62,695,021.28 - Step 4: Simplify right side
106,762,108.96x = 9,235,193,107,913,476 - Step 5: Solve for x
x = 9,235,193,107,913,476/106,762,108.96 - Step 6: Final answer
x = 86,502,535.38
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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.