Finding the Fourth Proportional to 49,207,862.90, 73,811,794.35 and 36,453,278.90
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Solution
The fourth proportional to 49,207,862.90, 73,811,794.35 and 36,453,278.90 is: 54,679,918.35
Step by Step Solution
- Step 1: Write the proportion equation
49,207,862.90 : 73,811,794.35 = 36,453,278.90 : x - Step 2: Convert to fraction form
49,207,862.90/73,811,794.35 = 36,453,278.90/x - Step 3: Cross multiply
49,207,862.90x = 73,811,794.35 × 36,453,278.90 - Step 4: Simplify right side
49,207,862.90x = 2,690,681,925,549,994 - Step 5: Solve for x
x = 2,690,681,925,549,994/49,207,862.90 - Step 6: Final answer
x = 54,679,918.35
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.