Finding the Fourth Proportional to 157,762,577.70, 236,643,866.55 and 89,738,129.70
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Solution
The fourth proportional to 157,762,577.70, 236,643,866.55 and 89,738,129.70 is: 134,607,194.55
Step by Step Solution
- Step 1: Write the proportion equation
157,762,577.70 : 236,643,866.55 = 89,738,129.70 : x - Step 2: Convert to fraction form
157,762,577.70/236,643,866.55 = 89,738,129.70/x - Step 3: Cross multiply
157,762,577.70x = 236,643,866.55 × 89,738,129.70 - Step 4: Simplify right side
157,762,577.70x = 21,235,977,989,173,392 - Step 5: Solve for x
x = 21,235,977,989,173,392/157,762,577.70 - Step 6: Final answer
x = 134,607,194.55
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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.