Finding the Fourth Proportional to 131,569,605.99, 197,548,417.80 and 73,390,959.09
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Solution
The fourth proportional to 131,569,605.99, 197,548,417.80 and 73,390,959.09 is: 110,194,658.86
Step by Step Solution
- Step 1: Write the proportion equation
131,569,605.99 : 197,548,417.80 = 73,390,959.09 : x - Step 2: Convert to fraction form
131,569,605.99/197,548,417.80 = 73,390,959.09/x - Step 3: Cross multiply
131,569,605.99x = 197,548,417.80 × 73,390,959.09 - Step 4: Simplify right side
131,569,605.99x = 14,498,267,849,054,030 - Step 5: Solve for x
x = 14,498,267,849,054,030/131,569,605.99 - Step 6: Final answer
x = 110,194,658.86
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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.