Finding the Fourth Proportional to 73,278,368.52, 101,120,201.46 and 40,681,221
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Solution
The fourth proportional to 73,278,368.52, 101,120,201.46 and 40,681,221 is: 56,137,893.71
Step by Step Solution
- Step 1: Write the proportion equation
73,278,368.52 : 101,120,201.46 = 40,681,221 : x - Step 2: Convert to fraction form
73,278,368.52/101,120,201.46 = 40,681,221/x - Step 3: Cross multiply
73,278,368.52x = 101,120,201.46 × 40,681,221 - Step 4: Simplify right side
73,278,368.52x = 4,113,693,263,158,782.50 - Step 5: Solve for x
x = 4,113,693,263,158,782.50/73,278,368.52 - Step 6: Final answer
x = 56,137,893.71
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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.