Finding the Fourth Proportional to 55,398,840.96, 76,454,356.60 and 30,618,495.26
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Solution
The fourth proportional to 55,398,840.96, 76,454,356.60 and 30,618,495.26 is: 42,255,709.95
Step by Step Solution
- Step 1: Write the proportion equation
55,398,840.96 : 76,454,356.60 = 30,618,495.26 : x - Step 2: Convert to fraction form
55,398,840.96/76,454,356.60 = 30,618,495.26/x - Step 3: Cross multiply
55,398,840.96x = 76,454,356.60 × 30,618,495.26 - Step 4: Simplify right side
55,398,840.96x = 2,340,917,355,363,890 - Step 5: Solve for x
x = 2,340,917,355,363,890/55,398,840.96 - Step 6: Final answer
x = 42,255,709.95
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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.