Finding the Fourth Proportional to 94,568,307.12, 130,454,640.12 and 76,946,886
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Solution
The fourth proportional to 94,568,307.12, 130,454,640.12 and 76,946,886 is: 106,146,325.63
Step by Step Solution
- Step 1: Write the proportion equation
94,568,307.12 : 130,454,640.12 = 76,946,886 : x - Step 2: Convert to fraction form
94,568,307.12/130,454,640.12 = 76,946,886/x - Step 3: Cross multiply
94,568,307.12x = 130,454,640.12 × 76,946,886 - Step 4: Simplify right side
94,568,307.12x = 10,038,078,321,484,666 - Step 5: Solve for x
x = 10,038,078,321,484,666/94,568,307.12 - Step 6: Final answer
x = 106,146,325.63
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.