Finding the Fourth Proportional to 118,125,089.20, 177,187,633.80 and 31,863,329.20
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Solution
The fourth proportional to 118,125,089.20, 177,187,633.80 and 31,863,329.20 is: 47,794,993.80
Step by Step Solution
- Step 1: Write the proportion equation
118,125,089.20 : 177,187,633.80 = 31,863,329.20 : x - Step 2: Convert to fraction form
118,125,089.20/177,187,633.80 = 31,863,329.20/x - Step 3: Cross multiply
118,125,089.20x = 177,187,633.80 × 31,863,329.20 - Step 4: Simplify right side
118,125,089.20x = 5,645,787,905,938,447 - Step 5: Solve for x
x = 5,645,787,905,938,447/118,125,089.20 - Step 6: Final answer
x = 47,794,993.80
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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.