Finding the Fourth Proportional to 65,165,765.70, 97,748,648.55 and 19,729,820.10
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Solution
The fourth proportional to 65,165,765.70, 97,748,648.55 and 19,729,820.10 is: 29,594,730.15
Step by Step Solution
- Step 1: Write the proportion equation
65,165,765.70 : 97,748,648.55 = 19,729,820.10 : x - Step 2: Convert to fraction form
65,165,765.70/97,748,648.55 = 19,729,820.10/x - Step 3: Cross multiply
65,165,765.70x = 97,748,648.55 × 19,729,820.10 - Step 4: Simplify right side
65,165,765.70x = 1,928,563,250,909,626 - Step 5: Solve for x
x = 1,928,563,250,909,626/65,165,765.70 - Step 6: Final answer
x = 29,594,730.15
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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.