Finding the Fourth Proportional to 77,337,347.28, 106,695,333.18 and 44,279,929.28
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Solution
The fourth proportional to 77,337,347.28, 106,695,333.18 and 44,279,929.28 is: 61,089,007.75
Step by Step Solution
- Step 1: Write the proportion equation
77,337,347.28 : 106,695,333.18 = 44,279,929.28 : x - Step 2: Convert to fraction form
77,337,347.28/106,695,333.18 = 44,279,929.28/x - Step 3: Cross multiply
77,337,347.28x = 106,695,333.18 × 44,279,929.28 - Step 4: Simplify right side
77,337,347.28x = 4,724,461,807,716,438 - Step 5: Solve for x
x = 4,724,461,807,716,438/77,337,347.28 - Step 6: Final answer
x = 61,089,007.75
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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.