Finding the Fourth Proportional to 69,921,953.10, 96,461,684.28 and 66,680,163
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Solution
The fourth proportional to 69,921,953.10, 96,461,684.28 and 66,680,163 is: 91,989,433.16
Step by Step Solution
- Step 1: Write the proportion equation
69,921,953.10 : 96,461,684.28 = 66,680,163 : x - Step 2: Convert to fraction form
69,921,953.10/96,461,684.28 = 66,680,163/x - Step 3: Cross multiply
69,921,953.10x = 96,461,684.28 × 66,680,163 - Step 4: Simplify right side
69,921,953.10x = 6,432,080,831,044,938 - Step 5: Solve for x
x = 6,432,080,831,044,938/69,921,953.10 - Step 6: Final answer
x = 91,989,433.16
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.