Finding the Fourth Proportional to 103,995,197.33, 143,511,614.33 and 57,584,454.80
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Solution
The fourth proportional to 103,995,197.33, 143,511,614.33 and 57,584,454.80 is: 79,465,574.18
Step by Step Solution
- Step 1: Write the proportion equation
103,995,197.33 : 143,511,614.33 = 57,584,454.80 : x - Step 2: Convert to fraction form
103,995,197.33/143,511,614.33 = 57,584,454.80/x - Step 3: Cross multiply
103,995,197.33x = 143,511,614.33 × 57,584,454.80 - Step 4: Simplify right side
103,995,197.33x = 8,264,038,067,655,437 - Step 5: Solve for x
x = 8,264,038,067,655,437/103,995,197.33 - Step 6: Final answer
x = 79,465,574.18
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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.