Finding the Fourth Proportional to 96,823,727.81, 133,612,853.87 and 52,769,780.55
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Solution
The fourth proportional to 96,823,727.81, 133,612,853.87 and 52,769,780.55 is: 72,820,176.79
Step by Step Solution
- Step 1: Write the proportion equation
96,823,727.81 : 133,612,853.87 = 52,769,780.55 : x - Step 2: Convert to fraction form
96,823,727.81/133,612,853.87 = 52,769,780.55/x - Step 3: Cross multiply
96,823,727.81x = 133,612,853.87 × 52,769,780.55 - Step 4: Simplify right side
96,823,727.81x = 7,050,720,977,115,269 - Step 5: Solve for x
x = 7,050,720,977,115,269/96,823,727.81 - Step 6: Final answer
x = 72,820,176.79
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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.