Finding the Fourth Proportional to 96,541,907.40, 144,812,861.10 and 65,930,905.80
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Solution
The fourth proportional to 96,541,907.40, 144,812,861.10 and 65,930,905.80 is: 98,896,358.70
Step by Step Solution
- Step 1: Write the proportion equation
96,541,907.40 : 144,812,861.10 = 65,930,905.80 : x - Step 2: Convert to fraction form
96,541,907.40/144,812,861.10 = 65,930,905.80/x - Step 3: Cross multiply
96,541,907.40x = 144,812,861.10 × 65,930,905.80 - Step 4: Simplify right side
96,541,907.40x = 9,547,643,103,812,584 - Step 5: Solve for x
x = 9,547,643,103,812,584/96,541,907.40 - Step 6: Final answer
x = 98,896,358.70
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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.