Finding the Fourth Proportional to 240,216,826.92, 331,490,336.94 and 130,206,177.96
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Solution
The fourth proportional to 240,216,826.92, 331,490,336.94 and 130,206,177.96 is: 179,679,710.02
Step by Step Solution
- Step 1: Write the proportion equation
240,216,826.92 : 331,490,336.94 = 130,206,177.96 : x - Step 2: Convert to fraction form
240,216,826.92/331,490,336.94 = 130,206,177.96/x - Step 3: Cross multiply
240,216,826.92x = 331,490,336.94 × 130,206,177.96 - Step 4: Simplify right side
240,216,826.92x = 43,162,089,803,630,000 - Step 5: Solve for x
x = 43,162,089,803,630,000/240,216,826.92 - Step 6: Final answer
x = 179,679,710.02
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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.