Finding the Fourth Proportional to 230,737,477.41, 318,417,734.36 and 126,315,548.74
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Solution
The fourth proportional to 230,737,477.41, 318,417,734.36 and 126,315,548.74 is: 174,315,465.76
Step by Step Solution
- Step 1: Write the proportion equation
230,737,477.41 : 318,417,734.36 = 126,315,548.74 : x - Step 2: Convert to fraction form
230,737,477.41/318,417,734.36 = 126,315,548.74/x - Step 3: Cross multiply
230,737,477.41x = 318,417,734.36 × 126,315,548.74 - Step 4: Simplify right side
230,737,477.41x = 40,221,110,843,750,696 - Step 5: Solve for x
x = 40,221,110,843,750,696/230,737,477.41 - Step 6: Final answer
x = 174,315,465.76
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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.