Finding the Fourth Proportional to 69,716,289.15, 104,372,490.74 and 52,516,925.44
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Solution
The fourth proportional to 69,716,289.15, 104,372,490.74 and 52,516,925.44 is: 78,623,265.53
Step by Step Solution
- Step 1: Write the proportion equation
69,716,289.15 : 104,372,490.74 = 52,516,925.44 : x - Step 2: Convert to fraction form
69,716,289.15/104,372,490.74 = 52,516,925.44/x - Step 3: Cross multiply
69,716,289.15x = 104,372,490.74 × 52,516,925.44 - Step 4: Simplify right side
69,716,289.15x = 5,481,322,313,657,808 - Step 5: Solve for x
x = 5,481,322,313,657,808/69,716,289.15 - Step 6: Final answer
x = 78,623,265.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.