Finding the Fourth Proportional to 239,232,567.75, 330,141,076.34 and 129,224,281.83
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Solution
The fourth proportional to 239,232,567.75, 330,141,076.34 and 129,224,281.83 is: 178,329,580.68
Step by Step Solution
- Step 1: Write the proportion equation
239,232,567.75 : 330,141,076.34 = 129,224,281.83 : x - Step 2: Convert to fraction form
239,232,567.75/330,141,076.34 = 129,224,281.83/x - Step 3: Cross multiply
239,232,567.75x = 330,141,076.34 × 129,224,281.83 - Step 4: Simplify right side
239,232,567.75x = 42,662,243,491,973,584 - Step 5: Solve for x
x = 42,662,243,491,973,584/239,232,567.75 - Step 6: Final answer
x = 178,329,580.68
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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.