Finding the Fourth Proportional to 98,122,574.70, 147,183,862.05 and 59,764,344.30
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Solution
The fourth proportional to 98,122,574.70, 147,183,862.05 and 59,764,344.30 is: 89,646,516.45
Step by Step Solution
- Step 1: Write the proportion equation
98,122,574.70 : 147,183,862.05 = 59,764,344.30 : x - Step 2: Convert to fraction form
98,122,574.70/147,183,862.05 = 59,764,344.30/x - Step 3: Cross multiply
98,122,574.70x = 147,183,862.05 × 59,764,344.30 - Step 4: Simplify right side
98,122,574.70x = 8,796,347,006,959,904 - Step 5: Solve for x
x = 8,796,347,006,959,904/98,122,574.70 - Step 6: Final answer
x = 89,646,516.45
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1.5x scale
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.