Finding the Fourth Proportional to 156,829,710.70, 235,244,566.05 and 80,127,246.70
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Solution
The fourth proportional to 156,829,710.70, 235,244,566.05 and 80,127,246.70 is: 120,190,870.05
Step by Step Solution
- Step 1: Write the proportion equation
156,829,710.70 : 235,244,566.05 = 80,127,246.70 : x - Step 2: Convert to fraction form
156,829,710.70/235,244,566.05 = 80,127,246.70/x - Step 3: Cross multiply
156,829,710.70x = 235,244,566.05 × 80,127,246.70 - Step 4: Simplify right side
156,829,710.70x = 18,849,499,378,722,796 - Step 5: Solve for x
x = 18,849,499,378,722,796/156,829,710.70 - Step 6: Final answer
x = 120,190,870.05
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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.