Finding the Fourth Proportional to 178,653,363.90, 246,543,375.99 and 103,294,033.65
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Solution
The fourth proportional to 178,653,363.90, 246,543,375.99 and 103,294,033.65 is: 142,546,768.89
Step by Step Solution
- Step 1: Write the proportion equation
178,653,363.90 : 246,543,375.99 = 103,294,033.65 : x - Step 2: Convert to fraction form
178,653,363.90/246,543,375.99 = 103,294,033.65/x - Step 3: Cross multiply
178,653,363.90x = 246,543,375.99 × 103,294,033.65 - Step 4: Simplify right side
178,653,363.90x = 25,466,459,775,695,664 - Step 5: Solve for x
x = 25,466,459,775,695,664/178,653,363.90 - Step 6: Final answer
x = 142,546,768.89
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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.