Finding the Fourth Proportional to 97,880,765.76, 135,078,923.04 and 53,831,174.04
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Solution
The fourth proportional to 97,880,765.76, 135,078,923.04 and 53,831,174.04 is: 74,288,926.52
Step by Step Solution
- Step 1: Write the proportion equation
97,880,765.76 : 135,078,923.04 = 53,831,174.04 : x - Step 2: Convert to fraction form
97,880,765.76/135,078,923.04 = 53,831,174.04/x - Step 3: Cross multiply
97,880,765.76x = 135,078,923.04 × 53,831,174.04 - Step 4: Simplify right side
97,880,765.76x = 7,271,457,015,302,005 - Step 5: Solve for x
x = 7,271,457,015,302,005/97,880,765.76 - Step 6: Final answer
x = 74,288,926.52
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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.