Finding the Fourth Proportional to 92,895,533.19, 128,006,940.06 and 71,859,824.91
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Solution
The fourth proportional to 92,895,533.19, 128,006,940.06 and 71,859,824.91 is: 99,020,437.09
Step by Step Solution
- Step 1: Write the proportion equation
92,895,533.19 : 128,006,940.06 = 71,859,824.91 : x - Step 2: Convert to fraction form
92,895,533.19/128,006,940.06 = 71,859,824.91/x - Step 3: Cross multiply
92,895,533.19x = 128,006,940.06 × 71,859,824.91 - Step 4: Simplify right side
92,895,533.19x = 9,198,556,299,976,464 - Step 5: Solve for x
x = 9,198,556,299,976,464/92,895,533.19 - Step 6: Final answer
x = 99,020,437.09
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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.