Finding the Fourth Proportional to 97,870,472.90, 135,069,858.45 and 53,825,234.18
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Solution
The fourth proportional to 97,870,472.90, 135,069,858.45 and 53,825,234.18 is: 74,283,556.07
Step by Step Solution
- Step 1: Write the proportion equation
97,870,472.90 : 135,069,858.45 = 53,825,234.18 : x - Step 2: Convert to fraction form
97,870,472.90/135,069,858.45 = 53,825,234.18/x - Step 3: Cross multiply
97,870,472.90x = 135,069,858.45 × 53,825,234.18 - Step 4: Simplify right side
97,870,472.90x = 7,270,166,761,730,701 - Step 5: Solve for x
x = 7,270,166,761,730,701/97,870,472.90 - Step 6: Final answer
x = 74,283,556.07
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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.