Finding the Fourth Proportional to 73,732,810.20, 110,613,977.55 and 21,917,312.70
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Solution
The fourth proportional to 73,732,810.20, 110,613,977.55 and 21,917,312.70 is: 32,880,357.18
Step by Step Solution
- Step 1: Write the proportion equation
73,732,810.20 : 110,613,977.55 = 21,917,312.70 : x - Step 2: Convert to fraction form
73,732,810.20/110,613,977.55 = 21,917,312.70/x - Step 3: Cross multiply
73,732,810.20x = 110,613,977.55 × 21,917,312.70 - Step 4: Simplify right side
73,732,810.20x = 2,424,361,134,954,129.50 - Step 5: Solve for x
x = 2,424,361,134,954,129.50/73,732,810.20 - Step 6: Final answer
x = 32,880,357.18
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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.