Finding the Fourth Proportional to 69,390,515.24, 95,758,911.67 and 38,450,684.51
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Solution
The fourth proportional to 69,390,515.24, 95,758,911.67 and 38,450,684.51 is: 53,061,944.98
Step by Step Solution
- Step 1: Write the proportion equation
69,390,515.24 : 95,758,911.67 = 38,450,684.51 : x - Step 2: Convert to fraction form
69,390,515.24/95,758,911.67 = 38,450,684.51/x - Step 3: Cross multiply
69,390,515.24x = 95,758,911.67 × 38,450,684.51 - Step 4: Simplify right side
69,390,515.24x = 3,681,995,701,644,127 - Step 5: Solve for x
x = 3,681,995,701,644,127/69,390,515.24 - Step 6: Final answer
x = 53,061,944.98
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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.