Finding the Fourth Proportional to 159,451,208.80, 239,176,813.20 and 38,282,660.80
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Solution
The fourth proportional to 159,451,208.80, 239,176,813.20 and 38,282,660.80 is: 57,423,991.20
Step by Step Solution
- Step 1: Write the proportion equation
159,451,208.80 : 239,176,813.20 = 38,282,660.80 : x - Step 2: Convert to fraction form
159,451,208.80/239,176,813.20 = 38,282,660.80/x - Step 3: Cross multiply
159,451,208.80x = 239,176,813.20 × 38,282,660.80 - Step 4: Simplify right side
159,451,208.80x = 9,156,324,810,960,562 - Step 5: Solve for x
x = 9,156,324,810,960,562/159,451,208.80 - Step 6: Final answer
x = 57,423,991.20
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1.5x scale
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.