Finding the Fourth Proportional to 54,121,836.93, 74,698,985.39 and 32,107,555.68
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Solution
The fourth proportional to 54,121,836.93, 74,698,985.39 and 32,107,555.68 is: 44,314,863.81
Step by Step Solution
- Step 1: Write the proportion equation
54,121,836.93 : 74,698,985.39 = 32,107,555.68 : x - Step 2: Convert to fraction form
54,121,836.93/74,698,985.39 = 32,107,555.68/x - Step 3: Cross multiply
54,121,836.93x = 74,698,985.39 × 32,107,555.68 - Step 4: Simplify right side
54,121,836.93x = 2,398,401,832,648,931.50 - Step 5: Solve for x
x = 2,398,401,832,648,931.50/54,121,836.93 - Step 6: Final answer
x = 44,314,863.81
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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.