Finding the Fourth Proportional to 147,058,277.20, 220,587,415.80 and 39,352,901.20
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Solution
The fourth proportional to 147,058,277.20, 220,587,415.80 and 39,352,901.20 is: 59,029,351.80
Step by Step Solution
- Step 1: Write the proportion equation
147,058,277.20 : 220,587,415.80 = 39,352,901.20 : x - Step 2: Convert to fraction form
147,058,277.20/220,587,415.80 = 39,352,901.20/x - Step 3: Cross multiply
147,058,277.20x = 220,587,415.80 × 39,352,901.20 - Step 4: Simplify right side
147,058,277.20x = 8,680,754,779,940,720 - Step 5: Solve for x
x = 8,680,754,779,940,720/147,058,277.20 - Step 6: Final answer
x = 59,029,351.80
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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.