Finding the Fourth Proportional to 72,609,652.80, 108,914,479.20 and 26,551,432.80
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Solution
The fourth proportional to 72,609,652.80, 108,914,479.20 and 26,551,432.80 is: 39,827,149.20
Step by Step Solution
- Step 1: Write the proportion equation
72,609,652.80 : 108,914,479.20 = 26,551,432.80 : x - Step 2: Convert to fraction form
72,609,652.80/108,914,479.20 = 26,551,432.80/x - Step 3: Cross multiply
72,609,652.80x = 108,914,479.20 × 26,551,432.80 - Step 4: Simplify right side
72,609,652.80x = 2,891,835,475,425,798 - Step 5: Solve for x
x = 2,891,835,475,425,798/72,609,652.80 - Step 6: Final answer
x = 39,827,149.20
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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.