Finding the Fourth Proportional to 104,248,378.23, 143,862,779.75 and 57,838,521.44
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Solution
The fourth proportional to 104,248,378.23, 143,862,779.75 and 57,838,521.44 is: 79,817,169.45
Step by Step Solution
- Step 1: Write the proportion equation
104,248,378.23 : 143,862,779.75 = 57,838,521.44 : x - Step 2: Convert to fraction form
104,248,378.23/143,862,779.75 = 57,838,521.44/x - Step 3: Cross multiply
104,248,378.23x = 143,862,779.75 × 57,838,521.44 - Step 4: Simplify right side
104,248,378.23x = 8,320,810,469,979,867 - Step 5: Solve for x
x = 8,320,810,469,979,867/104,248,378.23 - Step 6: Final answer
x = 79,817,169.45
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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.