Finding the Fourth Proportional to 212,047,607,988.63, 318,069,315,896.62 and 97,148,684,153.48
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Solution
The fourth proportional to 212,047,607,988.63, 318,069,315,896.62 and 97,148,684,153.48 is: 145,722,065,917.43
Step by Step Solution
- Step 1: Write the proportion equation
212,047,607,988.63 : 318,069,315,896.62 = 97,148,684,153.48 : x - Step 2: Convert to fraction form
212,047,607,988.63/318,069,315,896.62 = 97,148,684,153.48/x - Step 3: Cross multiply
212,047,607,988.63x = 318,069,315,896.62 × 97,148,684,153.48 - Step 4: Simplify right side
212,047,607,988.63x = 30,900,015,508,952,602,116,096 - Step 5: Solve for x
x = 30,900,015,508,952,602,116,096/212,047,607,988.63 - Step 6: Final answer
x = 145,722,065,917.43
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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.