Finding the Fourth Proportional to 147,612,135.60, 221,418,203.40 and 113,174,758.80
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Solution
The fourth proportional to 147,612,135.60, 221,418,203.40 and 113,174,758.80 is: 169,762,138.20
Step by Step Solution
- Step 1: Write the proportion equation
147,612,135.60 : 221,418,203.40 = 113,174,758.80 : x - Step 2: Convert to fraction form
147,612,135.60/221,418,203.40 = 113,174,758.80/x - Step 3: Cross multiply
147,612,135.60x = 221,418,203.40 × 113,174,758.80 - Step 4: Simplify right side
147,612,135.60x = 25,058,951,763,724,340 - Step 5: Solve for x
x = 25,058,951,763,724,340/147,612,135.60 - Step 6: Final answer
x = 169,762,138.20
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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.