Finding the Fourth Proportional to 65,202,964.80, 97,804,447.20 and 19,758,854.40
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Solution
The fourth proportional to 65,202,964.80, 97,804,447.20 and 19,758,854.40 is: 29,638,281.60
Step by Step Solution
- Step 1: Write the proportion equation
65,202,964.80 : 97,804,447.20 = 19,758,854.40 : x - Step 2: Convert to fraction form
65,202,964.80/97,804,447.20 = 19,758,854.40/x - Step 3: Cross multiply
65,202,964.80x = 97,804,447.20 × 19,758,854.40 - Step 4: Simplify right side
65,202,964.80x = 1,932,503,831,897,287.50 - Step 5: Solve for x
x = 1,932,503,831,897,287.50/65,202,964.80 - Step 6: Final answer
x = 29,638,281.60
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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.