Finding the Fourth Proportional to 212,752,966.17, 318,682,534.83 and 134,989,842.53
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Solution
The fourth proportional to 212,752,966.17, 318,682,534.83 and 134,989,842.53 is: 202,201,200.61
Step by Step Solution
- Step 1: Write the proportion equation
212,752,966.17 : 318,682,534.83 = 134,989,842.53 : x - Step 2: Convert to fraction form
212,752,966.17/318,682,534.83 = 134,989,842.53/x - Step 3: Cross multiply
212,752,966.17x = 318,682,534.83 × 134,989,842.53 - Step 4: Simplify right side
212,752,966.17x = 43,018,905,193,762,936 - Step 5: Solve for x
x = 43,018,905,193,762,936/212,752,966.17 - Step 6: Final answer
x = 202,201,200.61
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.