Finding the Fourth Proportional to 127,242,408.12, 175,596,844.85 and 70,732,460.44
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Solution
The fourth proportional to 127,242,408.12, 175,596,844.85 and 70,732,460.44 is: 97,612,085.98
Step by Step Solution
- Step 1: Write the proportion equation
127,242,408.12 : 175,596,844.85 = 70,732,460.44 : x - Step 2: Convert to fraction form
127,242,408.12/175,596,844.85 = 70,732,460.44/x - Step 3: Cross multiply
127,242,408.12x = 175,596,844.85 × 70,732,460.44 - Step 4: Simplify right side
127,242,408.12x = 12,420,396,881,741,442 - Step 5: Solve for x
x = 12,420,396,881,741,442/127,242,408.12 - Step 6: Final answer
x = 97,612,085.98
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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.