Finding the Fourth Proportional to 98,358,496.80, 147,537,745.20 and 30,192,331.20
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Solution
The fourth proportional to 98,358,496.80, 147,537,745.20 and 30,192,331.20 is: 45,288,496.80
Step by Step Solution
- Step 1: Write the proportion equation
98,358,496.80 : 147,537,745.20 = 30,192,331.20 : x - Step 2: Convert to fraction form
98,358,496.80/147,537,745.20 = 30,192,331.20/x - Step 3: Cross multiply
98,358,496.80x = 147,537,745.20 × 30,192,331.20 - Step 4: Simplify right side
98,358,496.80x = 4,454,508,467,579,610 - Step 5: Solve for x
x = 4,454,508,467,579,610/98,358,496.80 - Step 6: Final answer
x = 45,288,496.80
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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.