Finding the Fourth Proportional to 118,094,660.80, 177,216,640.80 and 69,572,420.80
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Solution
The fourth proportional to 118,094,660.80, 177,216,640.80 and 69,572,420.80 is: 104,402,609.08
Step by Step Solution
- Step 1: Write the proportion equation
118,094,660.80 : 177,216,640.80 = 69,572,420.80 : x - Step 2: Convert to fraction form
118,094,660.80/177,216,640.80 = 69,572,420.80/x - Step 3: Cross multiply
118,094,660.80x = 177,216,640.80 × 69,572,420.80 - Step 4: Simplify right side
118,094,660.80x = 12,329,390,706,500,048 - Step 5: Solve for x
x = 12,329,390,706,500,048/118,094,660.80 - Step 6: Final answer
x = 104,402,609.08
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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.