Finding the Fourth Proportional to 157,609,907.10, 236,414,860.65 and 97,143,731.10
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Solution
The fourth proportional to 157,609,907.10, 236,414,860.65 and 97,143,731.10 is: 145,715,596.65
Step by Step Solution
- Step 1: Write the proportion equation
157,609,907.10 : 236,414,860.65 = 97,143,731.10 : x - Step 2: Convert to fraction form
157,609,907.10/236,414,860.65 = 97,143,731.10/x - Step 3: Cross multiply
157,609,907.10x = 236,414,860.65 × 97,143,731.10 - Step 4: Simplify right side
157,609,907.10x = 22,966,221,651,027,572 - Step 5: Solve for x
x = 22,966,221,651,027,572/157,609,907.10 - Step 6: Final answer
x = 145,715,596.65
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1.5x scale
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.