Finding the Fourth Proportional to 159,224,686.04, 219,797,863.80 and 107,043,986
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Solution
The fourth proportional to 159,224,686.04, 219,797,863.80 and 107,043,986 is: 147,766,279.47
Step by Step Solution
- Step 1: Write the proportion equation
159,224,686.04 : 219,797,863.80 = 107,043,986 : x - Step 2: Convert to fraction form
159,224,686.04/219,797,863.80 = 107,043,986/x - Step 3: Cross multiply
159,224,686.04x = 219,797,863.80 × 107,043,986 - Step 4: Simplify right side
159,224,686.04x = 23,528,039,455,437,108 - Step 5: Solve for x
x = 23,528,039,455,437,108/159,224,686.04 - Step 6: Final answer
x = 147,766,279.47
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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.