Finding the Fourth Proportional to 157,552,593.30, 236,572,192.35 and 85,888,977.30
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Solution
The fourth proportional to 157,552,593.30, 236,572,192.35 and 85,888,977.30 is: 128,966,100.99
Step by Step Solution
- Step 1: Write the proportion equation
157,552,593.30 : 236,572,192.35 = 85,888,977.30 : x - Step 2: Convert to fraction form
157,552,593.30/236,572,192.35 = 85,888,977.30/x - Step 3: Cross multiply
157,552,593.30x = 236,572,192.35 × 85,888,977.30 - Step 4: Simplify right side
157,552,593.30x = 20,318,943,658,560,384 - Step 5: Solve for x
x = 20,318,943,658,560,384/157,552,593.30 - Step 6: Final answer
x = 128,966,100.99
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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.