Finding the Fourth Proportional to 89,006,927.80, 133,534,011.30 and 31,493,201.80
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Solution
The fourth proportional to 89,006,927.80, 133,534,011.30 and 31,493,201.80 is: 47,248,159.99
Step by Step Solution
- Step 1: Write the proportion equation
89,006,927.80 : 133,534,011.30 = 31,493,201.80 : x - Step 2: Convert to fraction form
89,006,927.80/133,534,011.30 = 31,493,201.80/x - Step 3: Cross multiply
89,006,927.80x = 133,534,011.30 × 31,493,201.80 - Step 4: Simplify right side
89,006,927.80x = 4,205,413,565,034,380.50 - Step 5: Solve for x
x = 4,205,413,565,034,380.50/89,006,927.80 - Step 6: Final answer
x = 47,248,159.99
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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.