Finding the Fourth Proportional to 88,571,703.60, 132,857,555.40 and 65,896,887.60
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Solution
The fourth proportional to 88,571,703.60, 132,857,555.40 and 65,896,887.60 is: 98,845,331.40
Step by Step Solution
- Step 1: Write the proportion equation
88,571,703.60 : 132,857,555.40 = 65,896,887.60 : x - Step 2: Convert to fraction form
88,571,703.60/132,857,555.40 = 65,896,887.60/x - Step 3: Cross multiply
88,571,703.60x = 132,857,555.40 × 65,896,887.60 - Step 4: Simplify right side
88,571,703.60x = 8,754,899,395,004,574 - Step 5: Solve for x
x = 8,754,899,395,004,574/88,571,703.60 - Step 6: Final answer
x = 98,845,331.40
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1.5x scale
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.