Finding the Fourth Proportional to 193,516,077.20, 289,875,984.60 and 97,831,878.80
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Solution
The fourth proportional to 193,516,077.20, 289,875,984.60 and 97,831,878.80 is: 146,546,543.33
Step by Step Solution
- Step 1: Write the proportion equation
193,516,077.20 : 289,875,984.60 = 97,831,878.80 : x - Step 2: Convert to fraction form
193,516,077.20/289,875,984.60 = 97,831,878.80/x - Step 3: Cross multiply
193,516,077.20x = 289,875,984.60 × 97,831,878.80 - Step 4: Simplify right side
193,516,077.20x = 28,359,112,192,417,868 - Step 5: Solve for x
x = 28,359,112,192,417,868/193,516,077.20 - Step 6: Final answer
x = 146,546,543.33
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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.