Finding the Fourth Proportional to 83,524,619.31, 115,277,827.91 and 48,717,308.76
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Solution
The fourth proportional to 83,524,619.31, 115,277,827.91 and 48,717,308.76 is: 67,237,966.26
Step by Step Solution
- Step 1: Write the proportion equation
83,524,619.31 : 115,277,827.91 = 48,717,308.76 : x - Step 2: Convert to fraction form
83,524,619.31/115,277,827.91 = 48,717,308.76/x - Step 3: Cross multiply
83,524,619.31x = 115,277,827.91 × 48,717,308.76 - Step 4: Simplify right side
83,524,619.31x = 5,616,025,535,230,029 - Step 5: Solve for x
x = 5,616,025,535,230,029/83,524,619.31 - Step 6: Final answer
x = 67,237,966.26
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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.