Finding the Fourth Proportional to 50,505,579.17, 69,716,540.93 and 39,319,908.74
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Solution
The fourth proportional to 50,505,579.17, 69,716,540.93 and 39,319,908.74 is: 54,276,142.79
Step by Step Solution
- Step 1: Write the proportion equation
50,505,579.17 : 69,716,540.93 = 39,319,908.74 : x - Step 2: Convert to fraction form
50,505,579.17/69,716,540.93 = 39,319,908.74/x - Step 3: Cross multiply
50,505,579.17x = 69,716,540.93 × 39,319,908.74 - Step 4: Simplify right side
50,505,579.17x = 2,741,248,026,490,892.50 - Step 5: Solve for x
x = 2,741,248,026,490,892.50/50,505,579.17 - Step 6: Final answer
x = 54,276,142.79
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.