Finding the Fourth Proportional to 236,346,282.82, 326,212,289.88 and 138,592,631.62
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Solution
The fourth proportional to 236,346,282.82, 326,212,289.88 and 138,592,631.62 is: 191,289,743.09
Step by Step Solution
- Step 1: Write the proportion equation
236,346,282.82 : 326,212,289.88 = 138,592,631.62 : x - Step 2: Convert to fraction form
236,346,282.82/326,212,289.88 = 138,592,631.62/x - Step 3: Cross multiply
236,346,282.82x = 326,212,289.88 × 138,592,631.62 - Step 4: Simplify right side
236,346,282.82x = 45,210,619,721,255,496 - Step 5: Solve for x
x = 45,210,619,721,255,496/236,346,282.82 - Step 6: Final answer
x = 191,289,743.09
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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.