Finding the Fourth Proportional to 86,291,347.47, 119,081,270.70 and 47,133,112.47
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Solution
The fourth proportional to 86,291,347.47, 119,081,270.70 and 47,133,112.47 is: 65,043,264.35
Step by Step Solution
- Step 1: Write the proportion equation
86,291,347.47 : 119,081,270.70 = 47,133,112.47 : x - Step 2: Convert to fraction form
86,291,347.47/119,081,270.70 = 47,133,112.47/x - Step 3: Cross multiply
86,291,347.47x = 119,081,270.70 × 47,133,112.47 - Step 4: Simplify right side
86,291,347.47x = 5,612,670,924,973,616 - Step 5: Solve for x
x = 5,612,670,924,973,616/86,291,347.47 - Step 6: Final answer
x = 65,043,264.35
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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.