Finding the Fourth Proportional to 83,791,385.60, 115,621,952.96 and 46,612,877.44
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Solution
The fourth proportional to 83,791,385.60, 115,621,952.96 and 46,612,877.44 is: 64,320,119.35
Step by Step Solution
- Step 1: Write the proportion equation
83,791,385.60 : 115,621,952.96 = 46,612,877.44 : x - Step 2: Convert to fraction form
83,791,385.60/115,621,952.96 = 46,612,877.44/x - Step 3: Cross multiply
83,791,385.60x = 115,621,952.96 × 46,612,877.44 - Step 4: Simplify right side
83,791,385.60x = 5,389,471,922,697,925 - Step 5: Solve for x
x = 5,389,471,922,697,925/83,791,385.60 - Step 6: Final answer
x = 64,320,119.35
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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.