Finding the Fourth Proportional to 125,120,855.88, 187,680,908.14 and 31,747,646.52
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Solution
The fourth proportional to 125,120,855.88, 187,680,908.14 and 31,747,646.52 is: 47,621,374.46
Step by Step Solution
- Step 1: Write the proportion equation
125,120,855.88 : 187,680,908.14 = 31,747,646.52 : x - Step 2: Convert to fraction form
125,120,855.88/187,680,908.14 = 31,747,646.52/x - Step 3: Cross multiply
125,120,855.88x = 187,680,908.14 × 31,747,646.52 - Step 4: Simplify right side
125,120,855.88x = 5,958,427,130,181,310 - Step 5: Solve for x
x = 5,958,427,130,181,310/125,120,855.88 - Step 6: Final answer
x = 47,621,374.46
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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.