Finding the Fourth Proportional to 268,557,100.24, 370,587,599.40 and 151,059,038.08
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Solution
The fourth proportional to 268,557,100.24, 370,587,599.40 and 151,059,038.08 is: 208,449,548.49
Step by Step Solution
- Step 1: Write the proportion equation
268,557,100.24 : 370,587,599.40 = 151,059,038.08 : x - Step 2: Convert to fraction form
268,557,100.24/370,587,599.40 = 151,059,038.08/x - Step 3: Cross multiply
268,557,100.24x = 370,587,599.40 × 151,059,038.08 - Step 4: Simplify right side
268,557,100.24x = 55,980,606,289,740,384 - Step 5: Solve for x
x = 55,980,606,289,740,384/268,557,100.24 - Step 6: Final answer
x = 208,449,548.49
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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.