Finding the Fourth Proportional to 75,005,544.16, 113,070,497.08 and 70,005,847.12
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Solution
The fourth proportional to 75,005,544.16, 113,070,497.08 and 70,005,847.12 is: 105,533,477.84
Step by Step Solution
- Step 1: Write the proportion equation
75,005,544.16 : 113,070,497.08 = 70,005,847.12 : x - Step 2: Convert to fraction form
75,005,544.16/113,070,497.08 = 70,005,847.12/x - Step 3: Cross multiply
75,005,544.16x = 113,070,497.08 × 70,005,847.12 - Step 4: Simplify right side
75,005,544.16x = 7,915,595,932,364,887 - Step 5: Solve for x
x = 7,915,595,932,364,887/75,005,544.16 - Step 6: Final answer
x = 105,533,477.84
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.