Finding the Fourth Proportional to 99,656,830.20, 149,485,245.30 and 97,417,342.20
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Solution
The fourth proportional to 99,656,830.20, 149,485,245.30 and 97,417,342.20 is: 146,126,013.30
Step by Step Solution
- Step 1: Write the proportion equation
99,656,830.20 : 149,485,245.30 = 97,417,342.20 : x - Step 2: Convert to fraction form
99,656,830.20/149,485,245.30 = 97,417,342.20/x - Step 3: Cross multiply
99,656,830.20x = 149,485,245.30 × 97,417,342.20 - Step 4: Simplify right side
99,656,830.20x = 14,562,455,295,241,044 - Step 5: Solve for x
x = 14,562,455,295,241,044/99,656,830.20 - Step 6: Final answer
x = 146,126,013.30
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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.