Finding the Fourth Proportional to 53,420,404.50, 73,720,163.07 and 30,215,032.02
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Solution
The fourth proportional to 53,420,404.50, 73,720,163.07 and 30,215,032.02 is: 41,696,746.94
Step by Step Solution
- Step 1: Write the proportion equation
53,420,404.50 : 73,720,163.07 = 30,215,032.02 : x - Step 2: Convert to fraction form
53,420,404.50/73,720,163.07 = 30,215,032.02/x - Step 3: Cross multiply
53,420,404.50x = 73,720,163.07 × 30,215,032.02 - Step 4: Simplify right side
53,420,404.50x = 2,227,457,087,679,671.25 - Step 5: Solve for x
x = 2,227,457,087,679,671.25/53,420,404.50 - Step 6: Final answer
x = 41,696,746.94
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.