Finding the Fourth Proportional to 157,522,175.10, 235,905,349.05 and 76,648,664.70
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Solution
The fourth proportional to 157,522,175.10, 235,905,349.05 and 76,648,664.70 is: 114,789,108.19
Step by Step Solution
- Step 1: Write the proportion equation
157,522,175.10 : 235,905,349.05 = 76,648,664.70 : x - Step 2: Convert to fraction form
157,522,175.10/235,905,349.05 = 76,648,664.70/x - Step 3: Cross multiply
157,522,175.10x = 235,905,349.05 × 76,648,664.70 - Step 4: Simplify right side
157,522,175.10x = 18,081,830,000,269,916 - Step 5: Solve for x
x = 18,081,830,000,269,916/157,522,175.10 - Step 6: Final answer
x = 114,789,108.19
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.