Finding the Fourth Proportional to 165,888,123.70, 248,832,185.55 and 155,271,291.70
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Solution
The fourth proportional to 165,888,123.70, 248,832,185.55 and 155,271,291.70 is: 232,906,937.55
Step by Step Solution
- Step 1: Write the proportion equation
165,888,123.70 : 248,832,185.55 = 155,271,291.70 : x - Step 2: Convert to fraction form
165,888,123.70/248,832,185.55 = 155,271,291.70/x - Step 3: Cross multiply
165,888,123.70x = 248,832,185.55 × 155,271,291.70 - Step 4: Simplify right side
165,888,123.70x = 38,636,494,866,882,576 - Step 5: Solve for x
x = 38,636,494,866,882,576/165,888,123.70 - Step 6: Final answer
x = 232,906,937.55
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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.