Finding the Fourth Proportional to 159,422,811.20, 239,176,207.20 and 57,176,187.20
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Solution
The fourth proportional to 159,422,811.20, 239,176,207.20 and 57,176,187.20 is: 85,779,340.45
Step by Step Solution
- Step 1: Write the proportion equation
159,422,811.20 : 239,176,207.20 = 57,176,187.20 : x - Step 2: Convert to fraction form
159,422,811.20/239,176,207.20 = 57,176,187.20/x - Step 3: Cross multiply
159,422,811.20x = 239,176,207.20 × 57,176,187.20 - Step 4: Simplify right side
159,422,811.20x = 13,675,183,596,653,188 - Step 5: Solve for x
x = 13,675,183,596,653,188/159,422,811.20 - Step 6: Final answer
x = 85,779,340.45
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.