Finding the Fourth Proportional to 120,053,558.04, 165,675,791.07 and 70,495,027.62
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Solution
The fourth proportional to 120,053,558.04, 165,675,791.07 and 70,495,027.62 is: 97,284,242.62
Step by Step Solution
- Step 1: Write the proportion equation
120,053,558.04 : 165,675,791.07 = 70,495,027.62 : x - Step 2: Convert to fraction form
120,053,558.04/165,675,791.07 = 70,495,027.62/x - Step 3: Cross multiply
120,053,558.04x = 165,675,791.07 × 70,495,027.62 - Step 4: Simplify right side
120,053,558.04x = 11,679,319,467,445,000 - Step 5: Solve for x
x = 11,679,319,467,445,000/120,053,558.04 - Step 6: Final answer
x = 97,284,242.62
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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.