Finding the Fourth Proportional to 65,185,408.80, 97,778,113.20 and 19,747,203.30
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Solution
The fourth proportional to 65,185,408.80, 97,778,113.20 and 19,747,203.30 is: 29,620,804.95
Step by Step Solution
- Step 1: Write the proportion equation
65,185,408.80 : 97,778,113.20 = 19,747,203.30 : x - Step 2: Convert to fraction form
65,185,408.80/97,778,113.20 = 19,747,203.30/x - Step 3: Cross multiply
65,185,408.80x = 97,778,113.20 × 19,747,203.30 - Step 4: Simplify right side
65,185,408.80x = 1,930,844,279,650,813.75 - Step 5: Solve for x
x = 1,930,844,279,650,813.75/65,185,408.80 - Step 6: Final answer
x = 29,620,804.95
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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.