Finding the Fourth Proportional to 65,165,783.70, 97,748,675.55 and 19,729,838.10
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Solution
The fourth proportional to 65,165,783.70, 97,748,675.55 and 19,729,838.10 is: 29,594,757.15
Step by Step Solution
- Step 1: Write the proportion equation
65,165,783.70 : 97,748,675.55 = 19,729,838.10 : x - Step 2: Convert to fraction form
65,165,783.70/97,748,675.55 = 19,729,838.10/x - Step 3: Cross multiply
65,165,783.70x = 97,748,675.55 × 19,729,838.10 - Step 4: Simplify right side
65,165,783.70x = 1,928,565,543,090,928.50 - Step 5: Solve for x
x = 1,928,565,543,090,928.50/65,165,783.70 - Step 6: Final answer
x = 29,594,757.15
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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.