Finding the Fourth Proportional to 98,415,629.40, 147,623,444.10 and 61,905,632.70
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Solution
The fourth proportional to 98,415,629.40, 147,623,444.10 and 61,905,632.70 is: 92,858,449.05
Step by Step Solution
- Step 1: Write the proportion equation
98,415,629.40 : 147,623,444.10 = 61,905,632.70 : x - Step 2: Convert to fraction form
98,415,629.40/147,623,444.10 = 61,905,632.70/x - Step 3: Cross multiply
98,415,629.40x = 147,623,444.10 × 61,905,632.70 - Step 4: Simplify right side
98,415,629.40x = 9,138,722,708,363,582 - Step 5: Solve for x
x = 9,138,722,708,363,582/98,415,629.40 - Step 6: Final answer
x = 92,858,449.05
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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.