Finding the Fourth Proportional to 55,363,564.70, 83,045,347.05 and 52,174,918.70
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Solution
The fourth proportional to 55,363,564.70, 83,045,347.05 and 52,174,918.70 is: 78,262,378.05
Step by Step Solution
- Step 1: Write the proportion equation
55,363,564.70 : 83,045,347.05 = 52,174,918.70 : x - Step 2: Convert to fraction form
55,363,564.70/83,045,347.05 = 52,174,918.70/x - Step 3: Cross multiply
55,363,564.70x = 83,045,347.05 × 52,174,918.70 - Step 4: Simplify right side
55,363,564.70x = 4,332,884,230,747,035 - Step 5: Solve for x
x = 4,332,884,230,747,035/55,363,564.70 - Step 6: Final answer
x = 78,262,378.05
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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.