Finding the Fourth Proportional to 159,894,241.62, 220,655,574.64 and 93,815,863.98
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Solution
The fourth proportional to 159,894,241.62, 220,655,574.64 and 93,815,863.98 is: 129,466,784.84
Step by Step Solution
- Step 1: Write the proportion equation
159,894,241.62 : 220,655,574.64 = 93,815,863.98 : x - Step 2: Convert to fraction form
159,894,241.62/220,655,574.64 = 93,815,863.98/x - Step 3: Cross multiply
159,894,241.62x = 220,655,574.64 × 93,815,863.98 - Step 4: Simplify right side
159,894,241.62x = 20,700,993,376,854,976 - Step 5: Solve for x
x = 20,700,993,376,854,976/159,894,241.62 - Step 6: Final answer
x = 129,466,784.84
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.