Finding the Fourth Proportional to 177,753,339.80, 266,630,009.70 and 147,520,251.80
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Solution
The fourth proportional to 177,753,339.80, 266,630,009.70 and 147,520,251.80 is: 221,280,377.70
Step by Step Solution
- Step 1: Write the proportion equation
177,753,339.80 : 266,630,009.70 = 147,520,251.80 : x - Step 2: Convert to fraction form
177,753,339.80/266,630,009.70 = 147,520,251.80/x - Step 3: Cross multiply
177,753,339.80x = 266,630,009.70 × 147,520,251.80 - Step 4: Simplify right side
177,753,339.80x = 39,333,326,168,380,440 - Step 5: Solve for x
x = 39,333,326,168,380,440/177,753,339.80 - Step 6: Final answer
x = 221,280,377.70
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1.5x scale
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.