Finding the Fourth Proportional to 83,992,785.80, 125,989,178.70 and 23,408,511.80
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Solution
The fourth proportional to 83,992,785.80, 125,989,178.70 and 23,408,511.80 is: 35,112,767.70
Step by Step Solution
- Step 1: Write the proportion equation
83,992,785.80 : 125,989,178.70 = 23,408,511.80 : x - Step 2: Convert to fraction form
83,992,785.80/125,989,178.70 = 23,408,511.80/x - Step 3: Cross multiply
83,992,785.80x = 125,989,178.70 × 23,408,511.80 - Step 4: Simplify right side
83,992,785.80x = 2,949,219,176,271,259 - Step 5: Solve for x
x = 2,949,219,176,271,259/83,992,785.80 - Step 6: Final answer
x = 35,112,767.70
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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.