Finding the Fourth Proportional to 70,957,593.20, 106,237,324.20 and 68,966,937.20
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Solution
The fourth proportional to 70,957,593.20, 106,237,324.20 and 68,966,937.20 is: 103,256,924.82
Step by Step Solution
- Step 1: Write the proportion equation
70,957,593.20 : 106,237,324.20 = 68,966,937.20 : x - Step 2: Convert to fraction form
70,957,593.20/106,237,324.20 = 68,966,937.20/x - Step 3: Cross multiply
70,957,593.20x = 106,237,324.20 × 68,966,937.20 - Step 4: Simplify right side
70,957,593.20x = 7,326,862,866,397,441 - Step 5: Solve for x
x = 7,326,862,866,397,441/70,957,593.20 - Step 6: Final answer
x = 103,256,924.82
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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.