Finding the Fourth Proportional to 87,163,808.11, 120,291,495.35 and 48,005,574.48
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Solution
The fourth proportional to 87,163,808.11, 120,291,495.35 and 48,005,574.48 is: 66,250,688.96
Step by Step Solution
- Step 1: Write the proportion equation
87,163,808.11 : 120,291,495.35 = 48,005,574.48 : x - Step 2: Convert to fraction form
87,163,808.11/120,291,495.35 = 48,005,574.48/x - Step 3: Cross multiply
87,163,808.11x = 120,291,495.35 × 48,005,574.48 - Step 4: Simplify right side
87,163,808.11x = 5,774,662,339,334,998 - Step 5: Solve for x
x = 5,774,662,339,334,998/87,163,808.11 - Step 6: Final answer
x = 66,250,688.96
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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.