Finding the Fourth Proportional to 131,827,246.20, 197,964,818.10 and 97,787,028.60
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Solution
The fourth proportional to 131,827,246.20, 197,964,818.10 and 97,787,028.60 is: 146,846,664.00
Step by Step Solution
- Step 1: Write the proportion equation
131,827,246.20 : 197,964,818.10 = 97,787,028.60 : x - Step 2: Convert to fraction form
131,827,246.20/197,964,818.10 = 97,787,028.60/x - Step 3: Cross multiply
131,827,246.20x = 197,964,818.10 × 97,787,028.60 - Step 4: Simplify right side
131,827,246.20x = 19,358,391,329,338,496 - Step 5: Solve for x
x = 19,358,391,329,338,496/131,827,246.20 - Step 6: Final answer
x = 146,846,664.00
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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.