Finding the Fourth Proportional to 66,753,671.36, 99,951,110.12 and 42,360,529.44
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Solution
The fourth proportional to 66,753,671.36, 99,951,110.12 and 42,360,529.44 is: 63,426,952.50
Step by Step Solution
- Step 1: Write the proportion equation
66,753,671.36 : 99,951,110.12 = 42,360,529.44 : x - Step 2: Convert to fraction form
66,753,671.36/99,951,110.12 = 42,360,529.44/x - Step 3: Cross multiply
66,753,671.36x = 99,951,110.12 × 42,360,529.44 - Step 4: Simplify right side
66,753,671.36x = 4,233,981,942,798,942 - Step 5: Solve for x
x = 4,233,981,942,798,942/66,753,671.36 - Step 6: Final answer
x = 63,426,952.50
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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.