Finding the Fourth Proportional to 174,344,679.80, 261,517,019.70 and 97,817,175.80
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Solution
The fourth proportional to 174,344,679.80, 261,517,019.70 and 97,817,175.80 is: 146,725,763.70
Step by Step Solution
- Step 1: Write the proportion equation
174,344,679.80 : 261,517,019.70 = 97,817,175.80 : x - Step 2: Convert to fraction form
174,344,679.80/261,517,019.70 = 97,817,175.80/x - Step 3: Cross multiply
174,344,679.80x = 261,517,019.70 × 97,817,175.80 - Step 4: Simplify right side
174,344,679.80x = 25,580,856,290,686,960 - Step 5: Solve for x
x = 25,580,856,290,686,960/174,344,679.80 - Step 6: Final answer
x = 146,725,763.70
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1.5x scale
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.