Finding the Fourth Proportional to 67,378,973.10, 101,068,131.60 and 26,409,464.70
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Solution
The fourth proportional to 67,378,973.10, 101,068,131.60 and 26,409,464.70 is: 39,614,068.47
Step by Step Solution
- Step 1: Write the proportion equation
67,378,973.10 : 101,068,131.60 = 26,409,464.70 : x - Step 2: Convert to fraction form
67,378,973.10/101,068,131.60 = 26,409,464.70/x - Step 3: Cross multiply
67,378,973.10x = 101,068,131.60 × 26,409,464.70 - Step 4: Simplify right side
67,378,973.10x = 2,669,155,253,785,154.50 - Step 5: Solve for x
x = 2,669,155,253,785,154.50/67,378,973.10 - Step 6: Final answer
x = 39,614,068.47
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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.