Finding the Fourth Proportional to 134,429,210.70, 201,643,816.05 and 43,561,985.10
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Solution
The fourth proportional to 134,429,210.70, 201,643,816.05 and 43,561,985.10 is: 65,342,977.65
Step by Step Solution
- Step 1: Write the proportion equation
134,429,210.70 : 201,643,816.05 = 43,561,985.10 : x - Step 2: Convert to fraction form
134,429,210.70/201,643,816.05 = 43,561,985.10/x - Step 3: Cross multiply
134,429,210.70x = 201,643,816.05 × 43,561,985.10 - Step 4: Simplify right side
134,429,210.70x = 8,784,004,910,277,242 - Step 5: Solve for x
x = 8,784,004,910,277,242/134,429,210.70 - Step 6: Final answer
x = 65,342,977.65
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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.