Finding the Fourth Proportional to 172,387,254.96, 237,899,467.68 and 94,075,864.68
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Solution
The fourth proportional to 172,387,254.96, 237,899,467.68 and 94,075,864.68 is: 129,827,452.35
Step by Step Solution
- Step 1: Write the proportion equation
172,387,254.96 : 237,899,467.68 = 94,075,864.68 : x - Step 2: Convert to fraction form
172,387,254.96/237,899,467.68 = 94,075,864.68/x - Step 3: Cross multiply
172,387,254.96x = 237,899,467.68 × 94,075,864.68 - Step 4: Simplify right side
172,387,254.96x = 22,380,598,128,907,716 - Step 5: Solve for x
x = 22,380,598,128,907,716/172,387,254.96 - Step 6: Final answer
x = 129,827,452.35
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.