Finding the Fourth Proportional to 147,568,216.20, 221,352,324.30 and 93,148,657.80
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Solution
The fourth proportional to 147,568,216.20, 221,352,324.30 and 93,148,657.80 is: 139,722,986.70
Step by Step Solution
- Step 1: Write the proportion equation
147,568,216.20 : 221,352,324.30 = 93,148,657.80 : x - Step 2: Convert to fraction form
147,568,216.20/221,352,324.30 = 93,148,657.80/x - Step 3: Cross multiply
147,568,216.20x = 221,352,324.30 × 93,148,657.80 - Step 4: Simplify right side
147,568,216.20x = 20,618,671,909,455,324 - Step 5: Solve for x
x = 20,618,671,909,455,324/147,568,216.20 - Step 6: Final answer
x = 139,722,986.70
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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.