Finding the Fourth Proportional to 54,739,639.12, 75,537,628.49 and 29,959,775.48
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Solution
The fourth proportional to 54,739,639.12, 75,537,628.49 and 29,959,775.48 is: 41,342,807.99
Step by Step Solution
- Step 1: Write the proportion equation
54,739,639.12 : 75,537,628.49 = 29,959,775.48 : x - Step 2: Convert to fraction form
54,739,639.12/75,537,628.49 = 29,959,775.48/x - Step 3: Cross multiply
54,739,639.12x = 75,537,628.49 × 29,959,775.48 - Step 4: Simplify right side
54,739,639.12x = 2,263,090,389,607,830.50 - Step 5: Solve for x
x = 2,263,090,389,607,830.50/54,739,639.12 - Step 6: Final answer
x = 41,342,807.99
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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.