Finding the Fourth Proportional to 163,119,698.72, 225,107,024.34 and 88,780,735.19
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Solution
The fourth proportional to 163,119,698.72, 225,107,024.34 and 88,780,735.19 is: 122,518,416.07
Step by Step Solution
- Step 1: Write the proportion equation
163,119,698.72 : 225,107,024.34 = 88,780,735.19 : x - Step 2: Convert to fraction form
163,119,698.72/225,107,024.34 = 88,780,735.19/x - Step 3: Cross multiply
163,119,698.72x = 225,107,024.34 × 88,780,735.19 - Step 4: Simplify right side
163,119,698.72x = 19,985,167,117,338,424 - Step 5: Solve for x
x = 19,985,167,117,338,424/163,119,698.72 - Step 6: Final answer
x = 122,518,416.07
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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.