Finding the Fourth Proportional to 63,140,408.62, 87,134,026.32 and 34,167,032.62
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Solution
The fourth proportional to 63,140,408.62, 87,134,026.32 and 34,167,032.62 is: 47,150,647.02
Step by Step Solution
- Step 1: Write the proportion equation
63,140,408.62 : 87,134,026.32 = 34,167,032.62 : x - Step 2: Convert to fraction form
63,140,408.62/87,134,026.32 = 34,167,032.62/x - Step 3: Cross multiply
63,140,408.62x = 87,134,026.32 × 34,167,032.62 - Step 4: Simplify right side
63,140,408.62x = 2,977,111,119,587,378 - Step 5: Solve for x
x = 2,977,111,119,587,378/63,140,408.62 - Step 6: Final answer
x = 47,150,647.02
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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.