Finding the Fourth Proportional to 83,524,653.68, 115,277,875.08 and 48,717,343.04
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Solution
The fourth proportional to 83,524,653.68, 115,277,875.08 and 48,717,343.04 is: 67,238,013.42
Step by Step Solution
- Step 1: Write the proportion equation
83,524,653.68 : 115,277,875.08 = 48,717,343.04 : x - Step 2: Convert to fraction form
83,524,653.68/115,277,875.08 = 48,717,343.04/x - Step 3: Cross multiply
83,524,653.68x = 115,277,875.08 × 48,717,343.04 - Step 4: Simplify right side
83,524,653.68x = 5,616,031,785,194,627 - Step 5: Solve for x
x = 5,616,031,785,194,627/83,524,653.68 - Step 6: Final answer
x = 67,238,013.42
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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.