Finding the Fourth Proportional to 135,259,815.47, 186,658,612.92 and 73,380,137.63
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Solution
The fourth proportional to 135,259,815.47, 186,658,612.92 and 73,380,137.63 is: 101,264,626.58
Step by Step Solution
- Step 1: Write the proportion equation
135,259,815.47 : 186,658,612.92 = 73,380,137.63 : x - Step 2: Convert to fraction form
135,259,815.47/186,658,612.92 = 73,380,137.63/x - Step 3: Cross multiply
135,259,815.47x = 186,658,612.92 × 73,380,137.63 - Step 4: Simplify right side
135,259,815.47x = 13,697,034,704,961,202 - Step 5: Solve for x
x = 13,697,034,704,961,202/135,259,815.47 - Step 6: Final answer
x = 101,264,626.58
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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.