Finding the Fourth Proportional to 159,458,575.80, 239,187,863.70 and 38,290,027.80
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Solution
The fourth proportional to 159,458,575.80, 239,187,863.70 and 38,290,027.80 is: 57,435,041.70
Step by Step Solution
- Step 1: Write the proportion equation
159,458,575.80 : 239,187,863.70 = 38,290,027.80 : x - Step 2: Convert to fraction form
159,458,575.80/239,187,863.70 = 38,290,027.80/x - Step 3: Cross multiply
159,458,575.80x = 239,187,863.70 × 38,290,027.80 - Step 4: Simplify right side
159,458,575.80x = 9,158,509,950,495,610 - Step 5: Solve for x
x = 9,158,509,950,495,610/159,458,575.80 - Step 6: Final answer
x = 57,435,041.70
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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.