Finding the Fourth Proportional to 236,657,098.99, 355,023,793.46 and 72,894,779.38
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Solution
The fourth proportional to 236,657,098.99, 355,023,793.46 and 72,894,779.38 is: 109,353,918.43
Step by Step Solution
- Step 1: Write the proportion equation
236,657,098.99 : 355,023,793.46 = 72,894,779.38 : x - Step 2: Convert to fraction form
236,657,098.99/355,023,793.46 = 72,894,779.38/x - Step 3: Cross multiply
236,657,098.99x = 355,023,793.46 × 72,894,779.38 - Step 4: Simplify right side
236,657,098.99x = 25,879,381,098,917,384 - Step 5: Solve for x
x = 25,879,381,098,917,384/236,657,098.99 - Step 6: Final answer
x = 109,353,918.43
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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.