Finding the Fourth Proportional to 238,174,467.84, 357,222,076.05 and 72,138,497.00
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Solution
The fourth proportional to 238,174,467.84, 357,222,076.05 and 72,138,497.00 is: 108,195,743.63
Step by Step Solution
- Step 1: Write the proportion equation
238,174,467.84 : 357,222,076.05 = 72,138,497.00 : x - Step 2: Convert to fraction form
238,174,467.84/357,222,076.05 = 72,138,497.00/x - Step 3: Cross multiply
238,174,467.84x = 357,222,076.05 × 72,138,497.00 - Step 4: Simplify right side
238,174,467.84x = 25,769,463,661,756,248 - Step 5: Solve for x
x = 25,769,463,661,756,248/238,174,467.84 - Step 6: Final answer
x = 108,195,743.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.