Finding the Fourth Proportional to 254,830,205.12, 351,695,538.24 and 144,838,451.84
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Solution
The fourth proportional to 254,830,205.12, 351,695,538.24 and 144,838,451.84 is: 199,894,032.40
Step by Step Solution
- Step 1: Write the proportion equation
254,830,205.12 : 351,695,538.24 = 144,838,451.84 : x - Step 2: Convert to fraction form
254,830,205.12/351,695,538.24 = 144,838,451.84/x - Step 3: Cross multiply
254,830,205.12x = 351,695,538.24 × 144,838,451.84 - Step 4: Simplify right side
254,830,205.12x = 50,939,037,277,717,120 - Step 5: Solve for x
x = 50,939,037,277,717,120/254,830,205.12 - Step 6: Final answer
x = 199,894,032.40
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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.