Finding the Fourth Proportional to 68,809,718.10, 103,214,577.15 and 61,377,935.70
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Solution
The fourth proportional to 68,809,718.10, 103,214,577.15 and 61,377,935.70 is: 92,066,903.55
Step by Step Solution
- Step 1: Write the proportion equation
68,809,718.10 : 103,214,577.15 = 61,377,935.70 : x - Step 2: Convert to fraction form
68,809,718.10/103,214,577.15 = 61,377,935.70/x - Step 3: Cross multiply
68,809,718.10x = 103,214,577.15 × 61,377,935.70 - Step 4: Simplify right side
68,809,718.10x = 6,335,097,679,615,390 - Step 5: Solve for x
x = 6,335,097,679,615,390/68,809,718.10 - Step 6: Final answer
x = 92,066,903.55
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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.