Finding the Fourth Proportional to 73,448,927.70, 110,173,391.55 and 25,579,871.70
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Solution
The fourth proportional to 73,448,927.70, 110,173,391.55 and 25,579,871.70 is: 38,369,807.55
Step by Step Solution
- Step 1: Write the proportion equation
73,448,927.70 : 110,173,391.55 = 25,579,871.70 : x - Step 2: Convert to fraction form
73,448,927.70/110,173,391.55 = 25,579,871.70/x - Step 3: Cross multiply
73,448,927.70x = 110,173,391.55 × 25,579,871.70 - Step 4: Simplify right side
73,448,927.70x = 2,818,221,220,602,864 - Step 5: Solve for x
x = 2,818,221,220,602,864/73,448,927.70 - Step 6: Final answer
x = 38,369,807.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.