Finding the Fourth Proportional to 107,120,641.05, 147,826,579.91 and 58,228,069.05
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Solution
The fourth proportional to 107,120,641.05, 147,826,579.91 and 58,228,069.05 is: 80,354,787.07
Step by Step Solution
- Step 1: Write the proportion equation
107,120,641.05 : 147,826,579.91 = 58,228,069.05 : x - Step 2: Convert to fraction form
107,120,641.05/147,826,579.91 = 58,228,069.05/x - Step 3: Cross multiply
107,120,641.05x = 147,826,579.91 × 58,228,069.05 - Step 4: Simplify right side
107,120,641.05x = 8,607,656,302,133,682 - Step 5: Solve for x
x = 8,607,656,302,133,682/107,120,641.05 - Step 6: Final answer
x = 80,354,787.07
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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.