Finding the Fourth Proportional to 238,661,507.68, 329,356,277.76 and 140,876,363.68
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Solution
The fourth proportional to 238,661,507.68, 329,356,277.76 and 140,876,363.68 is: 194,411,387.14
Step by Step Solution
- Step 1: Write the proportion equation
238,661,507.68 : 329,356,277.76 = 140,876,363.68 : x - Step 2: Convert to fraction form
238,661,507.68/329,356,277.76 = 140,876,363.68/x - Step 3: Cross multiply
238,661,507.68x = 329,356,277.76 × 140,876,363.68 - Step 4: Simplify right side
238,661,507.68x = 46,398,514,766,008,856 - Step 5: Solve for x
x = 46,398,514,766,008,856/238,661,507.68 - Step 6: Final answer
x = 194,411,387.14
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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.