Finding the Fourth Proportional to 76,730,165.68, 105,886,377.30 and 41,922,106.96
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Solution
The fourth proportional to 76,730,165.68, 105,886,377.30 and 41,922,106.96 is: 57,851,823.93
Step by Step Solution
- Step 1: Write the proportion equation
76,730,165.68 : 105,886,377.30 = 41,922,106.96 : x - Step 2: Convert to fraction form
76,730,165.68/105,886,377.30 = 41,922,106.96/x - Step 3: Cross multiply
76,730,165.68x = 105,886,377.30 × 41,922,106.96 - Step 4: Simplify right side
76,730,165.68x = 4,438,980,034,777,516 - Step 5: Solve for x
x = 4,438,980,034,777,516/76,730,165.68 - Step 6: Final answer
x = 57,851,823.93
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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.