Finding the Fourth Proportional to 87,076,645.06, 130,615,236.18 and 21,497,790.34
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Solution
The fourth proportional to 87,076,645.06, 130,615,236.18 and 21,497,790.34 is: 32,246,751.82
Step by Step Solution
- Step 1: Write the proportion equation
87,076,645.06 : 130,615,236.18 = 21,497,790.34 : x - Step 2: Convert to fraction form
87,076,645.06/130,615,236.18 = 21,497,790.34/x - Step 3: Cross multiply
87,076,645.06x = 130,615,236.18 × 21,497,790.34 - Step 4: Simplify right side
87,076,645.06x = 2,807,938,962,607,222.50 - Step 5: Solve for x
x = 2,807,938,962,607,222.50/87,076,645.06 - Step 6: Final answer
x = 32,246,751.82
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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.