Finding the Fourth Proportional to 73,855,681.07, 101,934,923.31 and 48,693,610.49
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Solution
The fourth proportional to 73,855,681.07, 101,934,923.31 and 48,693,610.49 is: 67,206,467.79
Step by Step Solution
- Step 1: Write the proportion equation
73,855,681.07 : 101,934,923.31 = 48,693,610.49 : x - Step 2: Convert to fraction form
73,855,681.07/101,934,923.31 = 48,693,610.49/x - Step 3: Cross multiply
73,855,681.07x = 101,934,923.31 × 48,693,610.49 - Step 4: Simplify right side
73,855,681.07x = 4,963,579,450,475,487 - Step 5: Solve for x
x = 4,963,579,450,475,487/73,855,681.07 - Step 6: Final answer
x = 67,206,467.79
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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.