Finding the Fourth Proportional to 355,415,122.08, 533,189,420.64 and 161,340,158.88
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Solution
The fourth proportional to 355,415,122.08, 533,189,420.64 and 161,340,158.88 is: 242,040,533.72
Step by Step Solution
- Step 1: Write the proportion equation
355,415,122.08 : 533,189,420.64 = 161,340,158.88 : x - Step 2: Convert to fraction form
355,415,122.08/533,189,420.64 = 161,340,158.88/x - Step 3: Cross multiply
355,415,122.08x = 533,189,420.64 × 161,340,158.88 - Step 4: Simplify right side
355,415,122.08x = 86,024,865,839,192,752 - Step 5: Solve for x
x = 86,024,865,839,192,752/355,415,122.08 - Step 6: Final answer
x = 242,040,533.72
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.