Finding the Fourth Proportional to 120,225,422.08, 180,454,748.67 and 58,020,512.65
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Solution
The fourth proportional to 120,225,422.08, 180,454,748.67 and 58,020,512.65 is: 87,087,047.37
Step by Step Solution
- Step 1: Write the proportion equation
120,225,422.08 : 180,454,748.67 = 58,020,512.65 : x - Step 2: Convert to fraction form
120,225,422.08/180,454,748.67 = 58,020,512.65/x - Step 3: Cross multiply
120,225,422.08x = 180,454,748.67 × 58,020,512.65 - Step 4: Simplify right side
120,225,422.08x = 10,470,077,027,509,168 - Step 5: Solve for x
x = 10,470,077,027,509,168/120,225,422.08 - Step 6: Final answer
x = 87,087,047.37
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.