Finding the Fourth Proportional to 83,414,914.80, 125,122,372.20 and 56,134,276.80
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Solution
The fourth proportional to 83,414,914.80, 125,122,372.20 and 56,134,276.80 is: 84,201,415.20
Step by Step Solution
- Step 1: Write the proportion equation
83,414,914.80 : 125,122,372.20 = 56,134,276.80 : x - Step 2: Convert to fraction form
83,414,914.80/125,122,372.20 = 56,134,276.80/x - Step 3: Cross multiply
83,414,914.80x = 125,122,372.20 × 56,134,276.80 - Step 4: Simplify right side
83,414,914.80x = 7,023,653,874,947,425 - Step 5: Solve for x
x = 7,023,653,874,947,425/83,414,914.80 - Step 6: Final answer
x = 84,201,415.20
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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.