Finding the Fourth Proportional to 72,444,107.86, 99,963,788.79 and 48,973,705
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Solution
The fourth proportional to 72,444,107.86, 99,963,788.79 and 48,973,705 is: 67,577,574.60
Step by Step Solution
- Step 1: Write the proportion equation
72,444,107.86 : 99,963,788.79 = 48,973,705 : x - Step 2: Convert to fraction form
72,444,107.86/99,963,788.79 = 48,973,705/x - Step 3: Cross multiply
72,444,107.86x = 99,963,788.79 × 48,973,705 - Step 4: Simplify right side
72,444,107.86x = 4,895,597,102,883,767 - Step 5: Solve for x
x = 4,895,597,102,883,767/72,444,107.86 - Step 6: Final answer
x = 67,577,574.60
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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.