Finding the Fourth Proportional to 84,296,597.36, 116,331,860.09 and 47,128,443.67
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Solution
The fourth proportional to 84,296,597.36, 116,331,860.09 and 47,128,443.67 is: 65,038,681.11
Step by Step Solution
- Step 1: Write the proportion equation
84,296,597.36 : 116,331,860.09 = 47,128,443.67 : x - Step 2: Convert to fraction form
84,296,597.36/116,331,860.09 = 47,128,443.67/x - Step 3: Cross multiply
84,296,597.36x = 116,331,860.09 × 47,128,443.67 - Step 4: Simplify right side
84,296,597.36x = 5,482,539,514,460,584 - Step 5: Solve for x
x = 5,482,539,514,460,584/84,296,597.36 - Step 6: Final answer
x = 65,038,681.11
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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.