Finding the Fourth Proportional to 88,314,378.40, 132,471,567.60 and 84,346,285.60
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Solution
The fourth proportional to 88,314,378.40, 132,471,567.60 and 84,346,285.60 is: 126,519,428.40
Step by Step Solution
- Step 1: Write the proportion equation
88,314,378.40 : 132,471,567.60 = 84,346,285.60 : x - Step 2: Convert to fraction form
88,314,378.40/132,471,567.60 = 84,346,285.60/x - Step 3: Cross multiply
88,314,378.40x = 132,471,567.60 × 84,346,285.60 - Step 4: Simplify right side
88,314,378.40x = 11,173,484,674,669,306 - Step 5: Solve for x
x = 11,173,484,674,669,306/88,314,378.40 - Step 6: Final answer
x = 126,519,428.40
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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.