Finding the Fourth Proportional to 397,831,444.20, 596,747,166.30 and 125,202,211.20
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Solution
The fourth proportional to 397,831,444.20, 596,747,166.30 and 125,202,211.20 is: 187,803,316.80
Step by Step Solution
- Step 1: Write the proportion equation
397,831,444.20 : 596,747,166.30 = 125,202,211.20 : x - Step 2: Convert to fraction form
397,831,444.20/596,747,166.30 = 125,202,211.20/x - Step 3: Cross multiply
397,831,444.20x = 596,747,166.30 × 125,202,211.20 - Step 4: Simplify right side
397,831,444.20x = 74,714,064,748,094,112 - Step 5: Solve for x
x = 74,714,064,748,094,112/397,831,444.20 - Step 6: Final answer
x = 187,803,316.80
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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.