Finding the Fourth Proportional to 147,119,201.80, 220,678,802.70 and 124,160,950.60
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Solution
The fourth proportional to 147,119,201.80, 220,678,802.70 and 124,160,950.60 is: 186,241,425.90
Step by Step Solution
- Step 1: Write the proportion equation
147,119,201.80 : 220,678,802.70 = 124,160,950.60 : x - Step 2: Convert to fraction form
147,119,201.80/220,678,802.70 = 124,160,950.60/x - Step 3: Cross multiply
147,119,201.80x = 220,678,802.70 × 124,160,950.60 - Step 4: Simplify right side
147,119,201.80x = 27,399,689,920,501,844 - Step 5: Solve for x
x = 27,399,689,920,501,844/147,119,201.80 - Step 6: Final answer
x = 186,241,425.90
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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.