Finding the Fourth Proportional to 130,232,246.94, 195,199,774.47 and 52,459,385.67
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Solution
The fourth proportional to 130,232,246.94, 195,199,774.47 and 52,459,385.67 is: 78,629,221.96
Step by Step Solution
- Step 1: Write the proportion equation
130,232,246.94 : 195,199,774.47 = 52,459,385.67 : x - Step 2: Convert to fraction form
130,232,246.94/195,199,774.47 = 52,459,385.67/x - Step 3: Cross multiply
130,232,246.94x = 195,199,774.47 × 52,459,385.67 - Step 4: Simplify right side
130,232,246.94x = 10,240,060,251,618,750 - Step 5: Solve for x
x = 10,240,060,251,618,750/130,232,246.94 - Step 6: Final answer
x = 78,629,221.96
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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.