Finding the Fourth Proportional to 72,178,541.99, 108,224,576.32 and 22,973,141.17
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Solution
The fourth proportional to 72,178,541.99, 108,224,576.32 and 22,973,141.17 is: 34,445,950.29
Step by Step Solution
- Step 1: Write the proportion equation
72,178,541.99 : 108,224,576.32 = 22,973,141.17 : x - Step 2: Convert to fraction form
72,178,541.99/108,224,576.32 = 22,973,141.17/x - Step 3: Cross multiply
72,178,541.99x = 108,224,576.32 × 22,973,141.17 - Step 4: Simplify right side
72,178,541.99x = 2,486,258,469,534,804.50 - Step 5: Solve for x
x = 2,486,258,469,534,804.50/72,178,541.99 - Step 6: Final answer
x = 34,445,950.29
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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.