Finding the Fourth Proportional to 265,889,569.18, 366,988,827.50 and 155,916,711.58
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Solution
The fourth proportional to 265,889,569.18, 366,988,827.50 and 155,916,711.58 is: 215,200,962.36
Step by Step Solution
- Step 1: Write the proportion equation
265,889,569.18 : 366,988,827.50 = 155,916,711.58 : x - Step 2: Convert to fraction form
265,889,569.18/366,988,827.50 = 155,916,711.58/x - Step 3: Cross multiply
265,889,569.18x = 366,988,827.50 × 155,916,711.58 - Step 4: Simplify right side
265,889,569.18x = 57,219,691,167,785,344 - Step 5: Solve for x
x = 57,219,691,167,785,344/265,889,569.18 - Step 6: Final answer
x = 215,200,962.36
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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.