Finding the Fourth Proportional to 177,281,688.18, 242,874,778.92 and 170,652,188.91
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Solution
The fourth proportional to 177,281,688.18, 242,874,778.92 and 170,652,188.91 is: 233,792,407.32
Step by Step Solution
- Step 1: Write the proportion equation
177,281,688.18 : 242,874,778.92 = 170,652,188.91 : x - Step 2: Convert to fraction form
177,281,688.18/242,874,778.92 = 170,652,188.91/x - Step 3: Cross multiply
177,281,688.18x = 242,874,778.92 × 170,652,188.91 - Step 4: Simplify right side
177,281,688.18x = 41,447,112,653,730,320 - Step 5: Solve for x
x = 41,447,112,653,730,320/177,281,688.18 - Step 6: Final answer
x = 233,792,407.32
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.