Finding the Fourth Proportional to 98,121,202.20, 147,181,803.30 and 59,762,971.80
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Solution
The fourth proportional to 98,121,202.20, 147,181,803.30 and 59,762,971.80 is: 89,644,457.70
Step by Step Solution
- Step 1: Write the proportion equation
98,121,202.20 : 147,181,803.30 = 59,762,971.80 : x - Step 2: Convert to fraction form
98,121,202.20/147,181,803.30 = 59,762,971.80/x - Step 3: Cross multiply
98,121,202.20x = 147,181,803.30 × 59,762,971.80 - Step 4: Simplify right side
98,121,202.20x = 8,796,021,960,091,047 - Step 5: Solve for x
x = 8,796,021,960,091,047/98,121,202.20 - Step 6: Final answer
x = 89,644,457.70
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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.