Finding the Fourth Proportional to 77,221,221,100.93, 115,828,678,949.99 and 26,868,179,754.37
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Solution
The fourth proportional to 77,221,221,100.93, 115,828,678,949.99 and 26,868,179,754.37 is: 40,301,172,687.65
Step by Step Solution
- Step 1: Write the proportion equation
77,221,221,100.93 : 115,828,678,949.99 = 26,868,179,754.37 : x - Step 2: Convert to fraction form
77,221,221,100.93/115,828,678,949.99 = 26,868,179,754.37/x - Step 3: Cross multiply
77,221,221,100.93x = 115,828,678,949.99 × 26,868,179,754.37 - Step 4: Simplify right side
77,221,221,100.93x = 3,112,105,766,739,543,851,008 - Step 5: Solve for x
x = 3,112,105,766,739,543,851,008/77,221,221,100.93 - Step 6: Final answer
x = 40,301,172,687.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.