Finding the Fourth Proportional to 240,544,762.60, 331,951,990.34 and 130,536,476.68
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Solution
The fourth proportional to 240,544,762.60, 331,951,990.34 and 130,536,476.68 is: 180,140,456.09
Step by Step Solution
- Step 1: Write the proportion equation
240,544,762.60 : 331,951,990.34 = 130,536,476.68 : x - Step 2: Convert to fraction form
240,544,762.60/331,951,990.34 = 130,536,476.68/x - Step 3: Cross multiply
240,544,762.60x = 331,951,990.34 × 130,536,476.68 - Step 4: Simplify right side
240,544,762.60x = 43,331,843,245,896,992 - Step 5: Solve for x
x = 43,331,843,245,896,992/240,544,762.60 - Step 6: Final answer
x = 180,140,456.09
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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.