Finding the Fourth Proportional to 128,213,239,566.30, 192,319,859,349.45 and 62,093,476,110.30
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Solution
The fourth proportional to 128,213,239,566.30, 192,319,859,349.45 and 62,093,476,110.30 is: 93,140,214,165.45
Step by Step Solution
- Step 1: Write the proportion equation
128,213,239,566.30 : 192,319,859,349.45 = 62,093,476,110.30 : x - Step 2: Convert to fraction form
128,213,239,566.30/192,319,859,349.45 = 62,093,476,110.30/x - Step 3: Cross multiply
128,213,239,566.30x = 192,319,859,349.45 × 62,093,476,110.30 - Step 4: Simplify right side
128,213,239,566.30x = 11,941,808,592,051,331,137,536 - Step 5: Solve for x
x = 11,941,808,592,051,331,137,536/128,213,239,566.30 - Step 6: Final answer
x = 93,140,214,165.45
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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.