Finding the Fourth Proportional to 138,147,750.10, 190,642,908.04 and 75,423,845.98
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Solution
The fourth proportional to 138,147,750.10, 190,642,908.04 and 75,423,845.98 is: 104,084,368.53
Step by Step Solution
- Step 1: Write the proportion equation
138,147,750.10 : 190,642,908.04 = 75,423,845.98 : x - Step 2: Convert to fraction form
138,147,750.10/190,642,908.04 = 75,423,845.98/x - Step 3: Cross multiply
138,147,750.10x = 190,642,908.04 × 75,423,845.98 - Step 4: Simplify right side
138,147,750.10x = 14,379,021,333,188,264 - Step 5: Solve for x
x = 14,379,021,333,188,264/138,147,750.10 - Step 6: Final answer
x = 104,084,368.53
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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.