Finding the Fourth Proportional to 180,116,369.91, 248,560,803.09 and 97,610,154.66
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Solution
The fourth proportional to 180,116,369.91, 248,560,803.09 and 97,610,154.66 is: 134,702,128.65
Step by Step Solution
- Step 1: Write the proportion equation
180,116,369.91 : 248,560,803.09 = 97,610,154.66 : x - Step 2: Convert to fraction form
180,116,369.91/248,560,803.09 = 97,610,154.66/x - Step 3: Cross multiply
180,116,369.91x = 248,560,803.09 × 97,610,154.66 - Step 4: Simplify right side
180,116,369.91x = 24,262,058,432,028,704 - Step 5: Solve for x
x = 24,262,058,432,028,704/180,116,369.91 - Step 6: Final answer
x = 134,702,128.65
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1.5x scale
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.