Finding the Fourth Proportional to 236,442,939.04, 326,345,656.10 and 138,689,287.84
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Solution
The fourth proportional to 236,442,939.04, 326,345,656.10 and 138,689,287.84 is: 191,423,126.52
Step by Step Solution
- Step 1: Write the proportion equation
236,442,939.04 : 326,345,656.10 = 138,689,287.84 : x - Step 2: Convert to fraction form
236,442,939.04/326,345,656.10 = 138,689,287.84/x - Step 3: Cross multiply
236,442,939.04x = 326,345,656.10 × 138,689,287.84 - Step 4: Simplify right side
236,442,939.04x = 45,260,646,634,186,560 - Step 5: Solve for x
x = 45,260,646,634,186,560/236,442,939.04 - Step 6: Final answer
x = 191,423,126.52
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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.