Finding the Fourth Proportional to 69,893,567.39, 96,456,407.11 and 38,953,958.10
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Solution
The fourth proportional to 69,893,567.39, 96,456,407.11 and 38,953,958.10 is: 53,758,292.53
Step by Step Solution
- Step 1: Write the proportion equation
69,893,567.39 : 96,456,407.11 = 38,953,958.10 : x - Step 2: Convert to fraction form
69,893,567.39/96,456,407.11 = 38,953,958.10/x - Step 3: Cross multiply
69,893,567.39x = 96,456,407.11 × 38,953,958.10 - Step 4: Simplify right side
69,893,567.39x = 3,757,358,841,374,909 - Step 5: Solve for x
x = 3,757,358,841,374,909/69,893,567.39 - Step 6: Final answer
x = 53,758,292.53
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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.