Finding the Fourth Proportional to 87,734,091.84, 121,076,829.54 and 48,575,867.36
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Solution
The fourth proportional to 87,734,091.84, 121,076,829.54 and 48,575,867.36 is: 67,036,791.39
Step by Step Solution
- Step 1: Write the proportion equation
87,734,091.84 : 121,076,829.54 = 48,575,867.36 : x - Step 2: Convert to fraction form
87,734,091.84/121,076,829.54 = 48,575,867.36/x - Step 3: Cross multiply
87,734,091.84x = 121,076,829.54 × 48,575,867.36 - Step 4: Simplify right side
87,734,091.84x = 5,881,412,012,104,370 - Step 5: Solve for x
x = 5,881,412,012,104,370/87,734,091.84 - Step 6: Final answer
x = 67,036,791.39
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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.