Finding the Fourth Proportional to 77,337,346.28, 106,695,331.80 and 44,279,928.28
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Solution
The fourth proportional to 77,337,346.28, 106,695,331.80 and 44,279,928.28 is: 61,089,006.37
Step by Step Solution
- Step 1: Write the proportion equation
77,337,346.28 : 106,695,331.80 = 44,279,928.28 : x - Step 2: Convert to fraction form
77,337,346.28/106,695,331.80 = 44,279,928.28/x - Step 3: Cross multiply
77,337,346.28x = 106,695,331.80 × 44,279,928.28 - Step 4: Simplify right side
77,337,346.28x = 4,724,461,639,914,803 - Step 5: Solve for x
x = 4,724,461,639,914,803/77,337,346.28 - Step 6: Final answer
x = 61,089,006.37
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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.