Finding the Fourth Proportional to 73,381,331.99, 110,072,018.45 and 21,565,931.85
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Solution
The fourth proportional to 73,381,331.99, 110,072,018.45 and 21,565,931.85 is: 32,348,903.79
Step by Step Solution
- Step 1: Write the proportion equation
73,381,331.99 : 110,072,018.45 = 21,565,931.85 : x - Step 2: Convert to fraction form
73,381,331.99/110,072,018.45 = 21,565,931.85/x - Step 3: Cross multiply
73,381,331.99x = 110,072,018.45 × 21,565,931.85 - Step 4: Simplify right side
73,381,331.99x = 2,373,805,648,538,557.50 - Step 5: Solve for x
x = 2,373,805,648,538,557.50/73,381,331.99 - Step 6: Final answer
x = 32,348,903.79
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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.