Finding the Fourth Proportional to 87,516,927.77, 120,773,320.38 and 48,358,362.02
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Solution
The fourth proportional to 87,516,927.77, 120,773,320.38 and 48,358,362.02 is: 66,734,517.51
Step by Step Solution
- Step 1: Write the proportion equation
87,516,927.77 : 120,773,320.38 = 48,358,362.02 : x - Step 2: Convert to fraction form
87,516,927.77/120,773,320.38 = 48,358,362.02/x - Step 3: Cross multiply
87,516,927.77x = 120,773,320.38 × 48,358,362.02 - Step 4: Simplify right side
87,516,927.77x = 5,840,399,948,689,617 - Step 5: Solve for x
x = 5,840,399,948,689,617/87,516,927.77 - Step 6: Final answer
x = 66,734,517.51
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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.