Finding the Fourth Proportional to 193,290,549.36, 266,740,997.58 and 106,370,421.36
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Solution
The fourth proportional to 193,290,549.36, 266,740,997.58 and 106,370,421.36 is: 146,791,203.19
Step by Step Solution
- Step 1: Write the proportion equation
193,290,549.36 : 266,740,997.58 = 106,370,421.36 : x - Step 2: Convert to fraction form
193,290,549.36/266,740,997.58 = 106,370,421.36/x - Step 3: Cross multiply
193,290,549.36x = 266,740,997.58 × 106,370,421.36 - Step 4: Simplify right side
193,290,549.36x = 28,373,352,306,571,340 - Step 5: Solve for x
x = 28,373,352,306,571,340/193,290,549.36 - Step 6: Final answer
x = 146,791,203.19
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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.