Finding the Fourth Proportional to 162,124,590.24, 243,187,453.98 and 39,302,407.80
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Solution
The fourth proportional to 162,124,590.24, 243,187,453.98 and 39,302,407.80 is: 58,953,749.55
Step by Step Solution
- Step 1: Write the proportion equation
162,124,590.24 : 243,187,453.98 = 39,302,407.80 : x - Step 2: Convert to fraction form
162,124,590.24/243,187,453.98 = 39,302,407.80/x - Step 3: Cross multiply
162,124,590.24x = 243,187,453.98 × 39,302,407.80 - Step 4: Simplify right side
162,124,590.24x = 9,557,852,488,165,692 - Step 5: Solve for x
x = 9,557,852,488,165,692/162,124,590.24 - Step 6: Final answer
x = 58,953,749.55
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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.