Finding the Fourth Proportional to 351,026,427.80, 526,539,641.70 and 169,627,899.80
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Solution
The fourth proportional to 351,026,427.80, 526,539,641.70 and 169,627,899.80 is: 254,441,849.70
Step by Step Solution
- Step 1: Write the proportion equation
351,026,427.80 : 526,539,641.70 = 169,627,899.80 : x - Step 2: Convert to fraction form
351,026,427.80/526,539,641.70 = 169,627,899.80/x - Step 3: Cross multiply
351,026,427.80x = 526,539,641.70 × 169,627,899.80 - Step 4: Simplify right side
351,026,427.80x = 89,315,813,583,015,504 - Step 5: Solve for x
x = 89,315,813,583,015,504/351,026,427.80 - Step 6: Final answer
x = 254,441,849.70
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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.