Finding the Fourth Proportional to 166,698,671.09, 230,044,166.13 and 93,359,813.09
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Solution
The fourth proportional to 166,698,671.09, 230,044,166.13 and 93,359,813.09 is: 128,836,542.08
Step by Step Solution
- Step 1: Write the proportion equation
166,698,671.09 : 230,044,166.13 = 93,359,813.09 : x - Step 2: Convert to fraction form
166,698,671.09/230,044,166.13 = 93,359,813.09/x - Step 3: Cross multiply
166,698,671.09x = 230,044,166.13 × 93,359,813.09 - Step 4: Simplify right side
166,698,671.09x = 21,476,880,352,341,708 - Step 5: Solve for x
x = 21,476,880,352,341,708/166,698,671.09 - Step 6: Final answer
x = 128,836,542.08
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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.