Finding the Fourth Proportional to 80,644,027.80, 120,966,041.70 and 26,791,339.80
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Solution
The fourth proportional to 80,644,027.80, 120,966,041.70 and 26,791,339.80 is: 40,187,009.70
Step by Step Solution
- Step 1: Write the proportion equation
80,644,027.80 : 120,966,041.70 = 26,791,339.80 : x - Step 2: Convert to fraction form
80,644,027.80/120,966,041.70 = 26,791,339.80/x - Step 3: Cross multiply
80,644,027.80x = 120,966,041.70 × 26,791,339.80 - Step 4: Simplify right side
80,644,027.80x = 3,240,842,327,445,670 - Step 5: Solve for x
x = 3,240,842,327,445,670/80,644,027.80 - Step 6: Final answer
x = 40,187,009.70
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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.