Finding the Fourth Proportional to 131,586,542,215.40, 197,492,683,518.30 and 53,125,632,237.80
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Solution
The fourth proportional to 131,586,542,215.40, 197,492,683,518.30 and 53,125,632,237.80 is: 79,734,017,610.06
Step by Step Solution
- Step 1: Write the proportion equation
131,586,542,215.40 : 197,492,683,518.30 = 53,125,632,237.80 : x - Step 2: Convert to fraction form
131,586,542,215.40/197,492,683,518.30 = 53,125,632,237.80/x - Step 3: Cross multiply
131,586,542,215.40x = 197,492,683,518.30 × 53,125,632,237.80 - Step 4: Simplify right side
131,586,542,215.40x = 10,491,923,674,249,432,137,728 - Step 5: Solve for x
x = 10,491,923,674,249,432,137,728/131,586,542,215.40 - Step 6: Final answer
x = 79,734,017,610.06
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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.