Finding the Fourth Proportional to 80,730,468.48, 121,107,685.44 and 26,124,750.72
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Solution
The fourth proportional to 80,730,468.48, 121,107,685.44 and 26,124,750.72 is: 39,191,003.74
Step by Step Solution
- Step 1: Write the proportion equation
80,730,468.48 : 121,107,685.44 = 26,124,750.72 : x - Step 2: Convert to fraction form
80,730,468.48/121,107,685.44 = 26,124,750.72/x - Step 3: Cross multiply
80,730,468.48x = 121,107,685.44 × 26,124,750.72 - Step 4: Simplify right side
80,730,468.48x = 3,163,908,092,396,173.50 - Step 5: Solve for x
x = 3,163,908,092,396,173.50/80,730,468.48 - Step 6: Final answer
x = 39,191,003.74
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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.