Finding the Fourth Proportional to 98,671,542.76, 136,165,080 and 54,617,596.48
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Solution
The fourth proportional to 98,671,542.76, 136,165,080 and 54,617,596.48 is: 75,371,370.37
Step by Step Solution
- Step 1: Write the proportion equation
98,671,542.76 : 136,165,080 = 54,617,596.48 : x - Step 2: Convert to fraction form
98,671,542.76/136,165,080 = 54,617,596.48/x - Step 3: Cross multiply
98,671,542.76x = 136,165,080 × 54,617,596.48 - Step 4: Simplify right side
98,671,542.76x = 7,437,009,394,106,918 - Step 5: Solve for x
x = 7,437,009,394,106,918/98,671,542.76 - Step 6: Final answer
x = 75,371,370.37
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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.