Finding the Fourth Proportional to 222,966,703.58, 307,698,924.84 and 122,496,435.50
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Solution
The fourth proportional to 222,966,703.58, 307,698,924.84 and 122,496,435.50 is: 169,047,758.68
Step by Step Solution
- Step 1: Write the proportion equation
222,966,703.58 : 307,698,924.84 = 122,496,435.50 : x - Step 2: Convert to fraction form
222,966,703.58/307,698,924.84 = 122,496,435.50/x - Step 3: Cross multiply
222,966,703.58x = 307,698,924.84 × 122,496,435.50 - Step 4: Simplify right side
222,966,703.58x = 37,692,021,500,082,408 - Step 5: Solve for x
x = 37,692,021,500,082,408/222,966,703.58 - Step 6: Final answer
x = 169,047,758.68
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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.