Finding the Fourth Proportional to 64,784,448.80, 97,102,023.60 and 26,420,775.20
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Solution
The fourth proportional to 64,784,448.80, 97,102,023.60 and 26,420,775.20 is: 39,600,718.76
Step by Step Solution
- Step 1: Write the proportion equation
64,784,448.80 : 97,102,023.60 = 26,420,775.20 : x - Step 2: Convert to fraction form
64,784,448.80/97,102,023.60 = 26,420,775.20/x - Step 3: Cross multiply
64,784,448.80x = 97,102,023.60 × 26,420,775.20 - Step 4: Simplify right side
64,784,448.80x = 2,565,510,737,000,694.50 - Step 5: Solve for x
x = 2,565,510,737,000,694.50/64,784,448.80 - Step 6: Final answer
x = 39,600,718.76
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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.