Finding the Fourth Proportional to 67,630,426.92, 93,323,820.06 and 38,264,440.68
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Solution
The fourth proportional to 67,630,426.92, 93,323,820.06 and 38,264,440.68 is: 52,801,437.75
Step by Step Solution
- Step 1: Write the proportion equation
67,630,426.92 : 93,323,820.06 = 38,264,440.68 : x - Step 2: Convert to fraction form
67,630,426.92/93,323,820.06 = 38,264,440.68/x - Step 3: Cross multiply
67,630,426.92x = 93,323,820.06 × 38,264,440.68 - Step 4: Simplify right side
67,630,426.92x = 3,570,983,776,716,864 - Step 5: Solve for x
x = 3,570,983,776,716,864/67,630,426.92 - Step 6: Final answer
x = 52,801,437.75
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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.