Finding the Fourth Proportional to 54,367,467.70, 81,551,201.55 and 52,277,278.90
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Solution
The fourth proportional to 54,367,467.70, 81,551,201.55 and 52,277,278.90 is: 78,415,918.35
Step by Step Solution
- Step 1: Write the proportion equation
54,367,467.70 : 81,551,201.55 = 52,277,278.90 : x - Step 2: Convert to fraction form
54,367,467.70/81,551,201.55 = 52,277,278.90/x - Step 3: Cross multiply
54,367,467.70x = 81,551,201.55 × 52,277,278.90 - Step 4: Simplify right side
54,367,467.70x = 4,263,274,908,059,462 - Step 5: Solve for x
x = 4,263,274,908,059,462/54,367,467.70 - Step 6: Final answer
x = 78,415,918.35
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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.