Finding the Fourth Proportional to 54,257,639.88, 74,857,024.80 and 33,623,557.32
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Solution
The fourth proportional to 54,257,639.88, 74,857,024.80 and 33,623,557.32 is: 46,389,033.32
Step by Step Solution
- Step 1: Write the proportion equation
54,257,639.88 : 74,857,024.80 = 33,623,557.32 : x - Step 2: Convert to fraction form
54,257,639.88/74,857,024.80 = 33,623,557.32/x - Step 3: Cross multiply
54,257,639.88x = 74,857,024.80 × 33,623,557.32 - Step 4: Simplify right side
54,257,639.88x = 2,516,959,464,167,461.50 - Step 5: Solve for x
x = 2,516,959,464,167,461.50/54,257,639.88 - Step 6: Final answer
x = 46,389,033.32
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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.