Finding the Fourth Proportional to 124,381,856.58, 171,652,153.08 and 68,630,893.14
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Solution
The fourth proportional to 124,381,856.58, 171,652,153.08 and 68,630,893.14 is: 94,713,496.80
Step by Step Solution
- Step 1: Write the proportion equation
124,381,856.58 : 171,652,153.08 = 68,630,893.14 : x - Step 2: Convert to fraction form
124,381,856.58/171,652,153.08 = 68,630,893.14/x - Step 3: Cross multiply
124,381,856.58x = 171,652,153.08 × 68,630,893.14 - Step 4: Simplify right side
124,381,856.58x = 11,780,640,575,284,402 - Step 5: Solve for x
x = 11,780,640,575,284,402/124,381,856.58 - Step 6: Final answer
x = 94,713,496.80
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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.