Finding the Fourth Proportional to 98,407,030.20, 147,610,545.30 and 47,276,719.80
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Solution
The fourth proportional to 98,407,030.20, 147,610,545.30 and 47,276,719.80 is: 70,915,079.70
Step by Step Solution
- Step 1: Write the proportion equation
98,407,030.20 : 147,610,545.30 = 47,276,719.80 : x - Step 2: Convert to fraction form
98,407,030.20/147,610,545.30 = 47,276,719.80/x - Step 3: Cross multiply
98,407,030.20x = 147,610,545.30 × 47,276,719.80 - Step 4: Simplify right side
98,407,030.20x = 6,978,542,389,673,307 - Step 5: Solve for x
x = 6,978,542,389,673,307/98,407,030.20 - Step 6: Final answer
x = 70,915,079.70
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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.