Finding the Fourth Proportional to 124,460,276.90, 186,690,415.35 and 107,440,168.10
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Solution
The fourth proportional to 124,460,276.90, 186,690,415.35 and 107,440,168.10 is: 161,160,252.15
Step by Step Solution
- Step 1: Write the proportion equation
124,460,276.90 : 186,690,415.35 = 107,440,168.10 : x - Step 2: Convert to fraction form
124,460,276.90/186,690,415.35 = 107,440,168.10/x - Step 3: Cross multiply
124,460,276.90x = 186,690,415.35 × 107,440,168.10 - Step 4: Simplify right side
124,460,276.90x = 20,058,049,607,862,820 - Step 5: Solve for x
x = 20,058,049,607,862,820/124,460,276.90 - Step 6: Final answer
x = 161,160,252.15
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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.