Finding the Fourth Proportional to 101,341,163.08, 139,847,058.39 and 54,930,420.55
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Solution
The fourth proportional to 101,341,163.08, 139,847,058.39 and 54,930,420.55 is: 75,801,949.54
Step by Step Solution
- Step 1: Write the proportion equation
101,341,163.08 : 139,847,058.39 = 54,930,420.55 : x - Step 2: Convert to fraction form
101,341,163.08/139,847,058.39 = 54,930,420.55/x - Step 3: Cross multiply
101,341,163.08x = 139,847,058.39 × 54,930,420.55 - Step 4: Simplify right side
101,341,163.08x = 7,681,857,730,043,105 - Step 5: Solve for x
x = 7,681,857,730,043,105/101,341,163.08 - Step 6: Final answer
x = 75,801,949.54
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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.