Finding the Fourth Proportional to 165,120,277.57, 247,680,460.09 and 48,535,638.37
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Solution
The fourth proportional to 165,120,277.57, 247,680,460.09 and 48,535,638.37 is: 72,803,470.41
Step by Step Solution
- Step 1: Write the proportion equation
165,120,277.57 : 247,680,460.09 = 48,535,638.37 : x - Step 2: Convert to fraction form
165,120,277.57/247,680,460.09 = 48,535,638.37/x - Step 3: Cross multiply
165,120,277.57x = 247,680,460.09 × 48,535,638.37 - Step 4: Simplify right side
165,120,277.57x = 12,021,329,242,243,458 - Step 5: Solve for x
x = 12,021,329,242,243,458/165,120,277.57 - Step 6: Final answer
x = 72,803,470.41
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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.