Finding the Fourth Proportional to 79,928,730.36, 110,302,567.86 and 46,889,541.54
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Solution
The fourth proportional to 79,928,730.36, 110,302,567.86 and 46,889,541.54 is: 64,708,107.01
Step by Step Solution
- Step 1: Write the proportion equation
79,928,730.36 : 110,302,567.86 = 46,889,541.54 : x - Step 2: Convert to fraction form
79,928,730.36/110,302,567.86 = 46,889,541.54/x - Step 3: Cross multiply
79,928,730.36x = 110,302,567.86 × 46,889,541.54 - Step 4: Simplify right side
79,928,730.36x = 5,172,036,837,640,139 - Step 5: Solve for x
x = 5,172,036,837,640,139/79,928,730.36 - Step 6: Final answer
x = 64,708,107.01
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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.