Finding the Fourth Proportional to 157,451,923.05, 236,161,938.29 and 42,448,090.65
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Solution
The fourth proportional to 157,451,923.05, 236,161,938.29 and 42,448,090.65 is: 63,667,836.95
Step by Step Solution
- Step 1: Write the proportion equation
157,451,923.05 : 236,161,938.29 = 42,448,090.65 : x - Step 2: Convert to fraction form
157,451,923.05/236,161,938.29 = 42,448,090.65/x - Step 3: Cross multiply
157,451,923.05x = 236,161,938.29 × 42,448,090.65 - Step 4: Simplify right side
157,451,923.05x = 10,024,623,364,401,386 - Step 5: Solve for x
x = 10,024,623,364,401,386/157,451,923.05 - Step 6: Final answer
x = 63,667,836.95
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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.