Finding the Fourth Proportional to 83,524,488.01, 115,277,656.06 and 48,717,178.45
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Solution
The fourth proportional to 83,524,488.01, 115,277,656.06 and 48,717,178.45 is: 67,237,791.88
Step by Step Solution
- Step 1: Write the proportion equation
83,524,488.01 : 115,277,656.06 = 48,717,178.45 : x - Step 2: Convert to fraction form
83,524,488.01/115,277,656.06 = 48,717,178.45/x - Step 3: Cross multiply
83,524,488.01x = 115,277,656.06 × 48,717,178.45 - Step 4: Simplify right side
83,524,488.01x = 5,616,002,141,345,446 - Step 5: Solve for x
x = 5,616,002,141,345,446/83,524,488.01 - Step 6: Final answer
x = 67,237,791.88
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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.