Finding the Fourth Proportional to 98,640,511.80, 147,960,767.70 and 26,836,927.80
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Solution
The fourth proportional to 98,640,511.80, 147,960,767.70 and 26,836,927.80 is: 40,255,391.70
Step by Step Solution
- Step 1: Write the proportion equation
98,640,511.80 : 147,960,767.70 = 26,836,927.80 : x - Step 2: Convert to fraction form
98,640,511.80/147,960,767.70 = 26,836,927.80/x - Step 3: Cross multiply
98,640,511.80x = 147,960,767.70 × 26,836,927.80 - Step 4: Simplify right side
98,640,511.80x = 3,970,812,439,997,472 - Step 5: Solve for x
x = 3,970,812,439,997,472/98,640,511.80 - Step 6: Final answer
x = 40,255,391.70
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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.