Finding the Fourth Proportional to 79,928,726.38, 110,302,562.36 and 46,889,537.56
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Solution
The fourth proportional to 79,928,726.38, 110,302,562.36 and 46,889,537.56 is: 64,708,101.52
Step by Step Solution
- Step 1: Write the proportion equation
79,928,726.38 : 110,302,562.36 = 46,889,537.56 : x - Step 2: Convert to fraction form
79,928,726.38/110,302,562.36 = 46,889,537.56/x - Step 3: Cross multiply
79,928,726.38x = 110,302,562.36 × 46,889,537.56 - Step 4: Simplify right side
79,928,726.38x = 5,172,036,140,743,462 - Step 5: Solve for x
x = 5,172,036,140,743,462/79,928,726.38 - Step 6: Final answer
x = 64,708,101.52
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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.