Finding the Fourth Proportional to 79,521,565.20, 119,282,347.80 and 59,114,230.80
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Solution
The fourth proportional to 79,521,565.20, 119,282,347.80 and 59,114,230.80 is: 88,671,346.20
Step by Step Solution
- Step 1: Write the proportion equation
79,521,565.20 : 119,282,347.80 = 59,114,230.80 : x - Step 2: Convert to fraction form
79,521,565.20/119,282,347.80 = 59,114,230.80/x - Step 3: Cross multiply
79,521,565.20x = 119,282,347.80 × 59,114,230.80 - Step 4: Simplify right side
79,521,565.20x = 7,051,284,238,215,072 - Step 5: Solve for x
x = 7,051,284,238,215,072/79,521,565.20 - Step 6: Final answer
x = 88,671,346.20
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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.