Finding the Fourth Proportional to 77,670,554,093.87, 106,406,889,573.99 and 74,766,576,821.00
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Solution
The fourth proportional to 77,670,554,093.87, 106,406,889,573.99 and 74,766,576,821.00 is: 102,428,506,870.22
Step by Step Solution
- Step 1: Write the proportion equation
77,670,554,093.87 : 106,406,889,573.99 = 74,766,576,821.00 : x - Step 2: Convert to fraction form
77,670,554,093.87/106,406,889,573.99 = 74,766,576,821.00/x - Step 3: Cross multiply
77,670,554,093.87x = 106,406,889,573.99 × 74,766,576,821.00 - Step 4: Simplify right side
77,670,554,093.87x = 7,955,678,883,616,854,638,592 - Step 5: Solve for x
x = 7,955,678,883,616,854,638,592/77,670,554,093.87 - Step 6: Final answer
x = 102,428,506,870.22
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.