Finding the Fourth Proportional to 75,519,905.36, 113,340,392.60 and 39,138,696.95
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Solution
The fourth proportional to 75,519,905.36, 113,340,392.60 and 39,138,696.95 is: 58,739,417.86
Step by Step Solution
- Step 1: Write the proportion equation
75,519,905.36 : 113,340,392.60 = 39,138,696.95 : x - Step 2: Convert to fraction form
75,519,905.36/113,340,392.60 = 39,138,696.95/x - Step 3: Cross multiply
75,519,905.36x = 113,340,392.60 × 39,138,696.95 - Step 4: Simplify right side
75,519,905.36x = 4,435,995,277,403,027 - Step 5: Solve for x
x = 4,435,995,277,403,027/75,519,905.36 - Step 6: Final answer
x = 58,739,417.86
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.