Finding the Fourth Proportional to 126,340,848.93, 188,964,184.28 and 74,401,643.79
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Solution
The fourth proportional to 126,340,848.93, 188,964,184.28 and 74,401,643.79 is: 111,280,286.99
Step by Step Solution
- Step 1: Write the proportion equation
126,340,848.93 : 188,964,184.28 = 74,401,643.79 : x - Step 2: Convert to fraction form
126,340,848.93/188,964,184.28 = 74,401,643.79/x - Step 3: Cross multiply
126,340,848.93x = 188,964,184.28 × 74,401,643.79 - Step 4: Simplify right side
126,340,848.93x = 14,059,245,927,496,472 - Step 5: Solve for x
x = 14,059,245,927,496,472/126,340,848.93 - Step 6: Final answer
x = 111,280,286.99
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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.