Finding the Fourth Proportional to 152,519,905.80, 228,779,858.70 and 133,388,029.80
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Solution
The fourth proportional to 152,519,905.80, 228,779,858.70 and 133,388,029.80 is: 200,082,044.70
Step by Step Solution
- Step 1: Write the proportion equation
152,519,905.80 : 228,779,858.70 = 133,388,029.80 : x - Step 2: Convert to fraction form
152,519,905.80/228,779,858.70 = 133,388,029.80/x - Step 3: Cross multiply
152,519,905.80x = 228,779,858.70 × 133,388,029.80 - Step 4: Simplify right side
152,519,905.80x = 30,516,494,609,915,388 - Step 5: Solve for x
x = 30,516,494,609,915,388/152,519,905.80 - Step 6: Final answer
x = 200,082,044.70
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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.