Finding the Fourth Proportional to 55,552,292.12, 76,688,745.96 and 36,998,309.00
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Solution
The fourth proportional to 55,552,292.12, 76,688,745.96 and 36,998,309.00 is: 51,075,370.82
Step by Step Solution
- Step 1: Write the proportion equation
55,552,292.12 : 76,688,745.96 = 36,998,309.00 : x - Step 2: Convert to fraction form
55,552,292.12/76,688,745.96 = 36,998,309.00/x - Step 3: Cross multiply
55,552,292.12x = 76,688,745.96 × 36,998,309.00 - Step 4: Simplify right side
55,552,292.12x = 2,837,353,919,467,137.50 - Step 5: Solve for x
x = 2,837,353,919,467,137.50/55,552,292.12 - Step 6: Final answer
x = 51,075,370.82
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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.