Finding the Fourth Proportional to 97,126,214.64, 134,032,557.24 and 53,072,245.68
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Solution
The fourth proportional to 97,126,214.64, 134,032,557.24 and 53,072,245.68 is: 73,238,814.40
Step by Step Solution
- Step 1: Write the proportion equation
97,126,214.64 : 134,032,557.24 = 53,072,245.68 : x - Step 2: Convert to fraction form
97,126,214.64/134,032,557.24 = 53,072,245.68/x - Step 3: Cross multiply
97,126,214.64x = 134,032,557.24 × 53,072,245.68 - Step 4: Simplify right side
97,126,214.64x = 7,113,408,806,959,942 - Step 5: Solve for x
x = 7,113,408,806,959,942/97,126,214.64 - Step 6: Final answer
x = 73,238,814.40
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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.