Finding the Fourth Proportional to 165,889,452.20, 248,834,178.30 and 155,803,461.80
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Solution
The fourth proportional to 165,889,452.20, 248,834,178.30 and 155,803,461.80 is: 233,705,192.70
Step by Step Solution
- Step 1: Write the proportion equation
165,889,452.20 : 248,834,178.30 = 155,803,461.80 : x - Step 2: Convert to fraction form
165,889,452.20/248,834,178.30 = 155,803,461.80/x - Step 3: Cross multiply
165,889,452.20x = 248,834,178.30 × 155,803,461.80 - Step 4: Simplify right side
165,889,452.20x = 38,769,226,393,298,440 - Step 5: Solve for x
x = 38,769,226,393,298,440/165,889,452.20 - Step 6: Final answer
x = 233,705,192.70
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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.