Finding the Fourth Proportional to 125,878,586.48, 188,838,057.68 and 53,106,086.46
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Solution
The fourth proportional to 125,878,586.48, 188,838,057.68 and 53,106,086.46 is: 79,667,642.44
Step by Step Solution
- Step 1: Write the proportion equation
125,878,586.48 : 188,838,057.68 = 53,106,086.46 : x - Step 2: Convert to fraction form
125,878,586.48/188,838,057.68 = 53,106,086.46/x - Step 3: Cross multiply
125,878,586.48x = 188,838,057.68 × 53,106,086.46 - Step 4: Simplify right side
125,878,586.48x = 10,028,450,218,092,548 - Step 5: Solve for x
x = 10,028,450,218,092,548/125,878,586.48 - Step 6: Final answer
x = 79,667,642.44
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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.