Finding the Fourth Proportional to 228,479,349.13, 315,292,662.15 and 124,055,030.82
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Solution
The fourth proportional to 228,479,349.13, 315,292,662.15 and 124,055,030.82 is: 171,191,142.95
Step by Step Solution
- Step 1: Write the proportion equation
228,479,349.13 : 315,292,662.15 = 124,055,030.82 : x - Step 2: Convert to fraction form
228,479,349.13/315,292,662.15 = 124,055,030.82/x - Step 3: Cross multiply
228,479,349.13x = 315,292,662.15 × 124,055,030.82 - Step 4: Simplify right side
228,479,349.13x = 39,113,640,919,092,600 - Step 5: Solve for x
x = 39,113,640,919,092,600/228,479,349.13 - Step 6: Final answer
x = 171,191,142.95
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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.