Finding the Fourth Proportional to 235,497,435.33, 324,980,520.75 and 129,649,794.21
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Solution
The fourth proportional to 235,497,435.33, 324,980,520.75 and 129,649,794.21 is: 178,913,445.82
Step by Step Solution
- Step 1: Write the proportion equation
235,497,435.33 : 324,980,520.75 = 129,649,794.21 : x - Step 2: Convert to fraction form
235,497,435.33/324,980,520.75 = 129,649,794.21/x - Step 3: Cross multiply
235,497,435.33x = 324,980,520.75 × 129,649,794.21 - Step 4: Simplify right side
235,497,435.33x = 42,133,657,637,496,136 - Step 5: Solve for x
x = 42,133,657,637,496,136/235,497,435.33 - Step 6: Final answer
x = 178,913,445.82
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.