Finding the Fourth Proportional to 257,051,610.18, 354,741,393.11 and 144,022,077
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Solution
The fourth proportional to 257,051,610.18, 354,741,393.11 and 144,022,077 is: 198,756,164.95
Step by Step Solution
- Step 1: Write the proportion equation
257,051,610.18 : 354,741,393.11 = 144,022,077 : x - Step 2: Convert to fraction form
257,051,610.18/354,741,393.11 = 144,022,077/x - Step 3: Cross multiply
257,051,610.18x = 354,741,393.11 × 144,022,077 - Step 4: Simplify right side
257,051,610.18x = 51,090,592,232,855,584 - Step 5: Solve for x
x = 51,090,592,232,855,584/257,051,610.18 - Step 6: Final answer
x = 198,756,164.95
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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.