Finding the Fourth Proportional to 84,406,358.13, 116,478,272.49 and 46,731,201.20
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Solution
The fourth proportional to 84,406,358.13, 116,478,272.49 and 46,731,201.20 is: 64,487,672.58
Step by Step Solution
- Step 1: Write the proportion equation
84,406,358.13 : 116,478,272.49 = 46,731,201.20 : x - Step 2: Convert to fraction form
84,406,358.13/116,478,272.49 = 46,731,201.20/x - Step 3: Cross multiply
84,406,358.13x = 116,478,272.49 × 46,731,201.20 - Step 4: Simplify right side
84,406,358.13x = 5,443,169,586,576,223 - Step 5: Solve for x
x = 5,443,169,586,576,223/84,406,358.13 - Step 6: Final answer
x = 64,487,672.58
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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.