Finding the Fourth Proportional to 134,738,187.98, 185,939,811.50 and 74,389,125.83
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Solution
The fourth proportional to 134,738,187.98, 185,939,811.50 and 74,389,125.83 is: 102,657,607.62
Step by Step Solution
- Step 1: Write the proportion equation
134,738,187.98 : 185,939,811.50 = 74,389,125.83 : x - Step 2: Convert to fraction form
134,738,187.98/185,939,811.50 = 74,389,125.83/x - Step 3: Cross multiply
134,738,187.98x = 185,939,811.50 × 74,389,125.83 - Step 4: Simplify right side
134,738,187.98x = 13,831,900,033,178,338 - Step 5: Solve for x
x = 13,831,900,033,178,338/134,738,187.98 - Step 6: Final answer
x = 102,657,607.62
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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.