Finding the Fourth Proportional to 165,621,943.35, 228,548,955.04 and 91,282,278.65
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Solution
The fourth proportional to 165,621,943.35, 228,548,955.04 and 91,282,278.65 is: 125,964,404.09
Step by Step Solution
- Step 1: Write the proportion equation
165,621,943.35 : 228,548,955.04 = 91,282,278.65 : x - Step 2: Convert to fraction form
165,621,943.35/228,548,955.04 = 91,282,278.65/x - Step 3: Cross multiply
165,621,943.35x = 228,548,955.04 × 91,282,278.65 - Step 4: Simplify right side
165,621,943.35x = 20,862,469,397,756,648 - Step 5: Solve for x
x = 20,862,469,397,756,648/165,621,943.35 - Step 6: Final answer
x = 125,964,404.09
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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.