Finding the Fourth Proportional to 125,412,317.30, 188,142,701.90 and 47,683,177.70
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Solution
The fourth proportional to 125,412,317.30, 188,142,701.90 and 47,683,177.70 is: 71,533,977.52
Step by Step Solution
- Step 1: Write the proportion equation
125,412,317.30 : 188,142,701.90 = 47,683,177.70 : x - Step 2: Convert to fraction form
125,412,317.30/188,142,701.90 = 47,683,177.70/x - Step 3: Cross multiply
125,412,317.30x = 188,142,701.90 × 47,683,177.70 - Step 4: Simplify right side
125,412,317.30x = 8,971,241,886,834,322 - Step 5: Solve for x
x = 8,971,241,886,834,322/125,412,317.30 - Step 6: Final answer
x = 71,533,977.52
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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.