Finding the Fourth Proportional to 198,983,574.24, 274,594,541.18 and 110,881,285.26
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Solution
The fourth proportional to 198,983,574.24, 274,594,541.18 and 110,881,285.26 is: 153,014,618.26
Step by Step Solution
- Step 1: Write the proportion equation
198,983,574.24 : 274,594,541.18 = 110,881,285.26 : x - Step 2: Convert to fraction form
198,983,574.24/274,594,541.18 = 110,881,285.26/x - Step 3: Cross multiply
198,983,574.24x = 274,594,541.18 × 110,881,285.26 - Step 4: Simplify right side
198,983,574.24x = 30,447,395,651,418,400 - Step 5: Solve for x
x = 30,447,395,651,418,400/198,983,574.24 - Step 6: Final answer
x = 153,014,618.26
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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.