Finding the Fourth Proportional to 130,567,443.87, 195,844,078.26 and 39,683,946.99
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Solution
The fourth proportional to 130,567,443.87, 195,844,078.26 and 39,683,946.99 is: 59,523,766.34
Step by Step Solution
- Step 1: Write the proportion equation
130,567,443.87 : 195,844,078.26 = 39,683,946.99 : x - Step 2: Convert to fraction form
130,567,443.87/195,844,078.26 = 39,683,946.99/x - Step 3: Cross multiply
130,567,443.87x = 195,844,078.26 × 39,683,946.99 - Step 4: Simplify right side
130,567,443.87x = 7,771,866,019,975,251 - Step 5: Solve for x
x = 7,771,866,019,975,251/130,567,443.87 - Step 6: Final answer
x = 59,523,766.34
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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.