Finding the Fourth Proportional to 84,234,863.07, 126,927,259.38 and 69,218,535.96
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Solution
The fourth proportional to 84,234,863.07, 126,927,259.38 and 69,218,535.96 is: 104,300,271.26
Step by Step Solution
- Step 1: Write the proportion equation
84,234,863.07 : 126,927,259.38 = 69,218,535.96 : x - Step 2: Convert to fraction form
84,234,863.07/126,927,259.38 = 69,218,535.96/x - Step 3: Cross multiply
84,234,863.07x = 126,927,259.38 × 69,218,535.96 - Step 4: Simplify right side
84,234,863.07x = 8,785,719,067,698,776 - Step 5: Solve for x
x = 8,785,719,067,698,776/84,234,863.07 - Step 6: Final answer
x = 104,300,271.26
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.