Finding the Fourth Proportional to 67,455,583.20, 93,089,346.14 and 39,578,767.62
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Solution
The fourth proportional to 67,455,583.20, 93,089,346.14 and 39,578,767.62 is: 54,619,075.60
Step by Step Solution
- Step 1: Write the proportion equation
67,455,583.20 : 93,089,346.14 = 39,578,767.62 : x - Step 2: Convert to fraction form
67,455,583.20/93,089,346.14 = 39,578,767.62/x - Step 3: Cross multiply
67,455,583.20x = 93,089,346.14 × 39,578,767.62 - Step 4: Simplify right side
67,455,583.20x = 3,684,361,598,772,804 - Step 5: Solve for x
x = 3,684,361,598,772,804/67,455,583.20 - Step 6: Final answer
x = 54,619,075.60
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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.