Finding the Fourth Proportional to 70,934,307.12, 97,894,889.28 and 39,582,213.84
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Solution
The fourth proportional to 70,934,307.12, 97,894,889.28 and 39,582,213.84 is: 54,626,549.53
Step by Step Solution
- Step 1: Write the proportion equation
70,934,307.12 : 97,894,889.28 = 39,582,213.84 : x - Step 2: Convert to fraction form
70,934,307.12/97,894,889.28 = 39,582,213.84/x - Step 3: Cross multiply
70,934,307.12x = 97,894,889.28 × 39,582,213.84 - Step 4: Simplify right side
70,934,307.12x = 3,874,896,441,324,084 - Step 5: Solve for x
x = 3,874,896,441,324,084/70,934,307.12 - Step 6: Final answer
x = 54,626,549.53
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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.