Finding the Fourth Proportional to 254,460,102.20, 381,690,153.30 and 125,087,679.80
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Solution
The fourth proportional to 254,460,102.20, 381,690,153.30 and 125,087,679.80 is: 187,631,519.70
Step by Step Solution
- Step 1: Write the proportion equation
254,460,102.20 : 381,690,153.30 = 125,087,679.80 : x - Step 2: Convert to fraction form
254,460,102.20/381,690,153.30 = 125,087,679.80/x - Step 3: Cross multiply
254,460,102.20x = 381,690,153.30 × 125,087,679.80 - Step 4: Simplify right side
254,460,102.20x = 47,744,735,678,803,312 - Step 5: Solve for x
x = 47,744,735,678,803,312/254,460,102.20 - Step 6: Final answer
x = 187,631,519.70
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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.