Finding the Fourth Proportional to 64,742,956.10, 97,114,434.15 and 61,756,972.10
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Solution
The fourth proportional to 64,742,956.10, 97,114,434.15 and 61,756,972.10 is: 92,635,458.15
Step by Step Solution
- Step 1: Write the proportion equation
64,742,956.10 : 97,114,434.15 = 61,756,972.10 : x - Step 2: Convert to fraction form
64,742,956.10/97,114,434.15 = 61,756,972.10/x - Step 3: Cross multiply
64,742,956.10x = 97,114,434.15 × 61,756,972.10 - Step 4: Simplify right side
64,742,956.10x = 5,997,493,400,308,838 - Step 5: Solve for x
x = 5,997,493,400,308,838/64,742,956.10 - Step 6: Final answer
x = 92,635,458.15
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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.