Finding the Fourth Proportional to 165,301,350.21, 228,430,472.09 and 123,976,498.05
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Solution
The fourth proportional to 165,301,350.21, 228,430,472.09 and 123,976,498.05 is: 171,323,524.83
Step by Step Solution
- Step 1: Write the proportion equation
165,301,350.21 : 228,430,472.09 = 123,976,498.05 : x - Step 2: Convert to fraction form
165,301,350.21/228,430,472.09 = 123,976,498.05/x - Step 3: Cross multiply
165,301,350.21x = 228,430,472.09 × 123,976,498.05 - Step 4: Simplify right side
165,301,350.21x = 28,320,009,977,006,584 - Step 5: Solve for x
x = 28,320,009,977,006,584/165,301,350.21 - Step 6: Final answer
x = 171,323,524.83
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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.