Finding the Fourth Proportional to 97,918,701.80, 146,914,211.10 and 40,415,959.40
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Solution
The fourth proportional to 97,918,701.80, 146,914,211.10 and 40,415,959.40 is: 60,638,863.49
Step by Step Solution
- Step 1: Write the proportion equation
97,918,701.80 : 146,914,211.10 = 40,415,959.40 : x - Step 2: Convert to fraction form
97,918,701.80/146,914,211.10 = 40,415,959.40/x - Step 3: Cross multiply
97,918,701.80x = 146,914,211.10 × 40,415,959.40 - Step 4: Simplify right side
97,918,701.80x = 5,937,678,791,100,629 - Step 5: Solve for x
x = 5,937,678,791,100,629/97,918,701.80 - Step 6: Final answer
x = 60,638,863.49
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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.