Finding the Fourth Proportional to 101,564,527.07, 140,201,956.79 and 68,569,471.31
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Solution
The fourth proportional to 101,564,527.07, 140,201,956.79 and 68,569,471.31 is: 94,654,839.94
Step by Step Solution
- Step 1: Write the proportion equation
101,564,527.07 : 140,201,956.79 = 68,569,471.31 : x - Step 2: Convert to fraction form
101,564,527.07/140,201,956.79 = 68,569,471.31/x - Step 3: Cross multiply
101,564,527.07x = 140,201,956.79 × 68,569,471.31 - Step 4: Simplify right side
101,564,527.07x = 9,613,574,052,673,908 - Step 5: Solve for x
x = 9,613,574,052,673,908/101,564,527.07 - Step 6: Final answer
x = 94,654,839.94
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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.