Finding the Fourth Proportional to 86,770,720.68, 130,087,597.94 and 43,021,314.48
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Solution
The fourth proportional to 86,770,720.68, 130,087,597.94 and 43,021,314.48 is: 64,498,017.50
Step by Step Solution
- Step 1: Write the proportion equation
86,770,720.68 : 130,087,597.94 = 43,021,314.48 : x - Step 2: Convert to fraction form
86,770,720.68/130,087,597.94 = 43,021,314.48/x - Step 3: Cross multiply
86,770,720.68x = 130,087,597.94 × 43,021,314.48 - Step 4: Simplify right side
86,770,720.68x = 5,596,539,460,924,540 - Step 5: Solve for x
x = 5,596,539,460,924,540/86,770,720.68 - Step 6: Final answer
x = 64,498,017.50
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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.