Finding the Fourth Proportional to 50,030,904.39, 69,032,829.02 and 31,435,269.99
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Solution
The fourth proportional to 50,030,904.39, 69,032,829.02 and 31,435,269.99 is: 43,374,503.11
Step by Step Solution
- Step 1: Write the proportion equation
50,030,904.39 : 69,032,829.02 = 31,435,269.99 : x - Step 2: Convert to fraction form
50,030,904.39/69,032,829.02 = 31,435,269.99/x - Step 3: Cross multiply
50,030,904.39x = 69,032,829.02 × 31,435,269.99 - Step 4: Simplify right side
50,030,904.39x = 2,170,065,618,260,030.75 - Step 5: Solve for x
x = 2,170,065,618,260,030.75/50,030,904.39 - Step 6: Final answer
x = 43,374,503.11
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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.