Finding the Fourth Proportional to 83,871,374.21, 115,741,392.80 and 46,193,814.65
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Solution
The fourth proportional to 83,871,374.21, 115,741,392.80 and 46,193,814.65 is: 63,746,856.37
Step by Step Solution
- Step 1: Write the proportion equation
83,871,374.21 : 115,741,392.80 = 46,193,814.65 : x - Step 2: Convert to fraction form
83,871,374.21/115,741,392.80 = 46,193,814.65/x - Step 3: Cross multiply
83,871,374.21x = 115,741,392.80 × 46,193,814.65 - Step 4: Simplify right side
83,871,374.21x = 5,346,536,445,645,784 - Step 5: Solve for x
x = 5,346,536,445,645,784/83,871,374.21 - Step 6: Final answer
x = 63,746,856.37
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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.