Finding the Fourth Proportional to 68,892,158.70, 103,202,922.04 and 45,477,562.79
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Solution
The fourth proportional to 68,892,158.70, 103,202,922.04 and 45,477,562.79 is: 68,127,018.45
Step by Step Solution
- Step 1: Write the proportion equation
68,892,158.70 : 103,202,922.04 = 45,477,562.79 : x - Step 2: Convert to fraction form
68,892,158.70/103,202,922.04 = 45,477,562.79/x - Step 3: Cross multiply
68,892,158.70x = 103,202,922.04 × 45,477,562.79 - Step 4: Simplify right side
68,892,158.70x = 4,693,417,366,900,363 - Step 5: Solve for x
x = 4,693,417,366,900,363/68,892,158.70 - Step 6: Final answer
x = 68,127,018.45
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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.