Finding the Fourth Proportional to 61,323,918.09, 91,938,729.58 and 31,748,403.33
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Solution
The fourth proportional to 61,323,918.09, 91,938,729.58 and 31,748,403.33 is: 47,598,195.93
Step by Step Solution
- Step 1: Write the proportion equation
61,323,918.09 : 91,938,729.58 = 31,748,403.33 : x - Step 2: Convert to fraction form
61,323,918.09/91,938,729.58 = 31,748,403.33/x - Step 3: Cross multiply
61,323,918.09x = 91,938,729.58 × 31,748,403.33 - Step 4: Simplify right side
61,323,918.09x = 2,918,907,868,353,641.50 - Step 5: Solve for x
x = 2,918,907,868,353,641.50/61,323,918.09 - Step 6: Final answer
x = 47,598,195.93
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.