Finding the Fourth Proportional to 42,811,536.75, 59,081,235.06 and 25,167,203.49
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Solution
The fourth proportional to 42,811,536.75, 59,081,235.06 and 25,167,203.49 is: 34,731,513.47
Step by Step Solution
- Step 1: Write the proportion equation
42,811,536.75 : 59,081,235.06 = 25,167,203.49 : x - Step 2: Convert to fraction form
42,811,536.75/59,081,235.06 = 25,167,203.49/x - Step 3: Cross multiply
42,811,536.75x = 59,081,235.06 × 25,167,203.49 - Step 4: Simplify right side
42,811,536.75x = 1,486,909,465,195,542.25 - Step 5: Solve for x
x = 1,486,909,465,195,542.25/42,811,536.75 - Step 6: Final answer
x = 34,731,513.47
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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.