Finding the Fourth Proportional to 205,771,204.08, 283,964,667.48 and 122,156,106.12
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Solution
The fourth proportional to 205,771,204.08, 283,964,667.48 and 122,156,106.12 is: 168,575,667.38
Step by Step Solution
- Step 1: Write the proportion equation
205,771,204.08 : 283,964,667.48 = 122,156,106.12 : x - Step 2: Convert to fraction form
205,771,204.08/283,964,667.48 = 122,156,106.12/x - Step 3: Cross multiply
205,771,204.08x = 283,964,667.48 × 122,156,106.12 - Step 4: Simplify right side
205,771,204.08x = 34,688,018,055,017,396 - Step 5: Solve for x
x = 34,688,018,055,017,396/205,771,204.08 - Step 6: Final answer
x = 168,575,667.38
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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.