Finding the Fourth Proportional to 131,636,459.80, 197,454,689.70 and 63,612,011.80
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Solution
The fourth proportional to 131,636,459.80, 197,454,689.70 and 63,612,011.80 is: 95,418,017.70
Step by Step Solution
- Step 1: Write the proportion equation
131,636,459.80 : 197,454,689.70 = 63,612,011.80 : x - Step 2: Convert to fraction form
131,636,459.80/197,454,689.70 = 63,612,011.80/x - Step 3: Cross multiply
131,636,459.80x = 197,454,689.70 × 63,612,011.80 - Step 4: Simplify right side
131,636,459.80x = 12,560,490,051,161,738 - Step 5: Solve for x
x = 12,560,490,051,161,738/131,636,459.80 - Step 6: Final answer
x = 95,418,017.70
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1.5x scale
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.