Finding the Fourth Proportional to 194,805,479.56, 292,674,385.98 and 124,912,644.01
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Solution
The fourth proportional to 194,805,479.56, 292,674,385.98 and 124,912,644.01 is: 187,667,880.13
Step by Step Solution
- Step 1: Write the proportion equation
194,805,479.56 : 292,674,385.98 = 124,912,644.01 : x - Step 2: Convert to fraction form
194,805,479.56/292,674,385.98 = 124,912,644.01/x - Step 3: Cross multiply
194,805,479.56x = 292,674,385.98 × 124,912,644.01 - Step 4: Simplify right side
194,805,479.56x = 36,558,731,386,765,080 - Step 5: Solve for x
x = 36,558,731,386,765,080/194,805,479.56 - Step 6: Final answer
x = 187,667,880.13
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.