Finding the Fourth Proportional to 66,575,130.12, 91,876,516.92 and 37,206,461.84
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Solution
The fourth proportional to 66,575,130.12, 91,876,516.92 and 37,206,461.84 is: 51,346,503.03
Step by Step Solution
- Step 1: Write the proportion equation
66,575,130.12 : 91,876,516.92 = 37,206,461.84 : x - Step 2: Convert to fraction form
66,575,130.12/91,876,516.92 = 37,206,461.84/x - Step 3: Cross multiply
66,575,130.12x = 91,876,516.92 × 37,206,461.84 - Step 4: Simplify right side
66,575,130.12x = 3,418,400,120,316,712 - Step 5: Solve for x
x = 3,418,400,120,316,712/66,575,130.12 - Step 6: Final answer
x = 51,346,503.03
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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.