Finding the Fourth Proportional to 77,058,226.20, 115,587,339.30 and 31,596,619.80
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Solution
The fourth proportional to 77,058,226.20, 115,587,339.30 and 31,596,619.80 is: 47,394,929.70
Step by Step Solution
- Step 1: Write the proportion equation
77,058,226.20 : 115,587,339.30 = 31,596,619.80 : x - Step 2: Convert to fraction form
77,058,226.20/115,587,339.30 = 31,596,619.80/x - Step 3: Cross multiply
77,058,226.20x = 115,587,339.30 × 31,596,619.80 - Step 4: Simplify right side
77,058,226.20x = 3,652,169,213,555,698 - Step 5: Solve for x
x = 3,652,169,213,555,698/77,058,226.20 - Step 6: Final answer
x = 47,394,929.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.