Finding the Fourth Proportional to 207,180,894.72, 285,909,591.36 and 114,361,378.08
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Solution
The fourth proportional to 207,180,894.72, 285,909,591.36 and 114,361,378.08 is: 157,818,677.82
Step by Step Solution
- Step 1: Write the proportion equation
207,180,894.72 : 285,909,591.36 = 114,361,378.08 : x - Step 2: Convert to fraction form
207,180,894.72/285,909,591.36 = 114,361,378.08/x - Step 3: Cross multiply
207,180,894.72x = 285,909,591.36 × 114,361,378.08 - Step 4: Simplify right side
207,180,894.72x = 32,697,014,874,219,264 - Step 5: Solve for x
x = 32,697,014,874,219,264/207,180,894.72 - Step 6: Final answer
x = 157,818,677.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.