Finding the Fourth Proportional to 101,341,166.36, 139,847,062.86 and 54,930,423.80
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Solution
The fourth proportional to 101,341,166.36, 139,847,062.86 and 54,930,423.80 is: 75,801,953.99
Step by Step Solution
- Step 1: Write the proportion equation
101,341,166.36 : 139,847,062.86 = 54,930,423.80 : x - Step 2: Convert to fraction form
101,341,166.36/139,847,062.86 = 54,930,423.80/x - Step 3: Cross multiply
101,341,166.36x = 139,847,062.86 × 54,930,423.80 - Step 4: Simplify right side
101,341,166.36x = 7,681,858,430,085,040 - Step 5: Solve for x
x = 7,681,858,430,085,040/101,341,166.36 - Step 6: Final answer
x = 75,801,953.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.