Finding the Fourth Proportional to 84,047,261.35, 125,812,319.37 and 54,838,206.18
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Solution
The fourth proportional to 84,047,261.35, 125,812,319.37 and 54,838,206.18 is: 82,088,598.71
Step by Step Solution
- Step 1: Write the proportion equation
84,047,261.35 : 125,812,319.37 = 54,838,206.18 : x - Step 2: Convert to fraction form
84,047,261.35/125,812,319.37 = 54,838,206.18/x - Step 3: Cross multiply
84,047,261.35x = 125,812,319.37 × 54,838,206.18 - Step 4: Simplify right side
84,047,261.35x = 6,899,321,910,067,865 - Step 5: Solve for x
x = 6,899,321,910,067,865/84,047,261.35 - Step 6: Final answer
x = 82,088,598.71
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.