Finding the Fourth Proportional to 79,447,848.81, 119,174,009.60 and 21,940,119.98
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Solution
The fourth proportional to 79,447,848.81, 119,174,009.60 and 21,940,119.98 is: 32,910,797.56
Step by Step Solution
- Step 1: Write the proportion equation
79,447,848.81 : 119,174,009.60 = 21,940,119.98 : x - Step 2: Convert to fraction form
79,447,848.81/119,174,009.60 = 21,940,119.98/x - Step 3: Cross multiply
79,447,848.81x = 119,174,009.60 × 21,940,119.98 - Step 4: Simplify right side
79,447,848.81x = 2,614,692,069,121,671.50 - Step 5: Solve for x
x = 2,614,692,069,121,671.50/79,447,848.81 - Step 6: Final answer
x = 32,910,797.56
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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.