Finding the Fourth Proportional to 251,184,665.70, 376,776,998.55 and 136,224,281.70
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Solution
The fourth proportional to 251,184,665.70, 376,776,998.55 and 136,224,281.70 is: 204,336,422.55
Step by Step Solution
- Step 1: Write the proportion equation
251,184,665.70 : 376,776,998.55 = 136,224,281.70 : x - Step 2: Convert to fraction form
251,184,665.70/376,776,998.55 = 136,224,281.70/x - Step 3: Cross multiply
251,184,665.70x = 376,776,998.55 × 136,224,281.70 - Step 4: Simplify right side
251,184,665.70x = 51,326,175,988,555,688 - Step 5: Solve for x
x = 51,326,175,988,555,688/251,184,665.70 - Step 6: Final answer
x = 204,336,422.55
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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.