Finding the Fourth Proportional to 97,679,919.20, 146,519,878.80 and 24,896,559.20
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Solution
The fourth proportional to 97,679,919.20, 146,519,878.80 and 24,896,559.20 is: 37,344,838.80
Step by Step Solution
- Step 1: Write the proportion equation
97,679,919.20 : 146,519,878.80 = 24,896,559.20 : x - Step 2: Convert to fraction form
97,679,919.20/146,519,878.80 = 24,896,559.20/x - Step 3: Cross multiply
97,679,919.20x = 146,519,878.80 × 24,896,559.20 - Step 4: Simplify right side
97,679,919.20x = 3,647,840,836,521,025 - Step 5: Solve for x
x = 3,647,840,836,521,025/97,679,919.20 - Step 6: Final answer
x = 37,344,838.80
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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.