Finding the Fourth Proportional to 66,162,094.21, 99,178,341.30 and 37,030,159.09
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Solution
The fourth proportional to 66,162,094.21, 99,178,341.30 and 37,030,159.09 is: 55,508,970.82
Step by Step Solution
- Step 1: Write the proportion equation
66,162,094.21 : 99,178,341.30 = 37,030,159.09 : x - Step 2: Convert to fraction form
66,162,094.21/99,178,341.30 = 37,030,159.09/x - Step 3: Cross multiply
66,162,094.21x = 99,178,341.30 × 37,030,159.09 - Step 4: Simplify right side
66,162,094.21x = 3,672,589,756,621,317.50 - Step 5: Solve for x
x = 3,672,589,756,621,317.50/66,162,094.21 - Step 6: Final answer
x = 55,508,970.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.