Finding the Fourth Proportional to 49,292,549.36, 67,667,510.09 and 42,311,106.51
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Solution
The fourth proportional to 49,292,549.36, 67,667,510.09 and 42,311,106.51 is: 58,083,569.71
Step by Step Solution
- Step 1: Write the proportion equation
49,292,549.36 : 67,667,510.09 = 42,311,106.51 : x - Step 2: Convert to fraction form
49,292,549.36/67,667,510.09 = 42,311,106.51/x - Step 3: Cross multiply
49,292,549.36x = 67,667,510.09 × 42,311,106.51 - Step 4: Simplify right side
49,292,549.36x = 2,863,087,226,472,933.50 - Step 5: Solve for x
x = 2,863,087,226,472,933.50/49,292,549.36 - Step 6: Final answer
x = 58,083,569.71
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.