Finding the Fourth Proportional to 186,846,229.34, 257,842,798.92 and 103,212,560.00
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Solution
The fourth proportional to 186,846,229.34, 257,842,798.92 and 103,212,560.00 is: 142,430,572.17
Step by Step Solution
- Step 1: Write the proportion equation
186,846,229.34 : 257,842,798.92 = 103,212,560.00 : x - Step 2: Convert to fraction form
186,846,229.34/257,842,798.92 = 103,212,560.00/x - Step 3: Cross multiply
186,846,229.34x = 257,842,798.92 × 103,212,560.00 - Step 4: Simplify right side
186,846,229.34x = 26,612,615,352,809,220 - Step 5: Solve for x
x = 26,612,615,352,809,220/186,846,229.34 - Step 6: Final answer
x = 142,430,572.17
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.