Finding the Fourth Proportional to 194,943,337.80, 292,415,006.70 and 156,679,585.80
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Solution
The fourth proportional to 194,943,337.80, 292,415,006.70 and 156,679,585.80 is: 235,019,378.70
Step by Step Solution
- Step 1: Write the proportion equation
194,943,337.80 : 292,415,006.70 = 156,679,585.80 : x - Step 2: Convert to fraction form
194,943,337.80/292,415,006.70 = 156,679,585.80/x - Step 3: Cross multiply
194,943,337.80x = 292,415,006.70 × 156,679,585.80 - Step 4: Simplify right side
194,943,337.80x = 45,815,462,131,460,224 - Step 5: Solve for x
x = 45,815,462,131,460,224/194,943,337.80 - Step 6: Final answer
x = 235,019,378.70
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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.