Finding the Fourth Proportional to 236,346,820.84, 326,213,033.12 and 138,593,169.64
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Solution
The fourth proportional to 236,346,820.84, 326,213,033.12 and 138,593,169.64 is: 191,290,486.06
Step by Step Solution
- Step 1: Write the proportion equation
236,346,820.84 : 326,213,033.12 = 138,593,169.64 : x - Step 2: Convert to fraction form
236,346,820.84/326,213,033.12 = 138,593,169.64/x - Step 3: Cross multiply
236,346,820.84x = 326,213,033.12 × 138,593,169.64 - Step 4: Simplify right side
236,346,820.84x = 45,210,898,237,979,096 - Step 5: Solve for x
x = 45,210,898,237,979,096/236,346,820.84 - Step 6: Final answer
x = 191,290,486.06
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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.