Finding the Fourth Proportional to 52,195,782.25, 78,303,755.51 and 19,845,169.44
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Solution
The fourth proportional to 52,195,782.25, 78,303,755.51 and 19,845,169.44 is: 29,771,587.45
Step by Step Solution
- Step 1: Write the proportion equation
52,195,782.25 : 78,303,755.51 = 19,845,169.44 : x - Step 2: Convert to fraction form
52,195,782.25/78,303,755.51 = 19,845,169.44/x - Step 3: Cross multiply
52,195,782.25x = 78,303,755.51 × 19,845,169.44 - Step 4: Simplify right side
52,195,782.25x = 1,553,951,295,950,492 - Step 5: Solve for x
x = 1,553,951,295,950,492/52,195,782.25 - Step 6: Final answer
x = 29,771,587.45
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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.